School Purchase Orders
We accept school purchase orders. Please fax in your PO# to 970-484-1198
School Purchase Order Numbers require a fax copy of original P.O. to be sent to our fax number: if you are paying with a credit card, then continue to place the order online.
MSDS sheets can be found on our home page by clicking on the MSDS link.
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LAMP BOARD 3 LAMP SERIES 6X8
Three Lamp Series |
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LAMP BOARD W/3 LAMPS IMPORTED
Three Lamp, Economy |
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LAMP BRD, 5 LAMP PAR/SER CIRCU
Five Lamp Board, Parallel and Series Circuits, Economy |
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LAMP GOOSENECK 12 TABLE
Lamp, Table Top, Gooseneck - 12" overall height, accepts 60 watt bulb. |
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LAMP BOARD LAMP PAR.& SER
Five Lamp Board, Parallel and Series Circuits |
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LAMP BOARD MINI 4 PARALLEL
Four Lamps Board |
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EDL D.C. POWER BOARD
EDL Power Board
The base of all the EDL units is electrical power. You can supply your own or use this convenient DC power unit for supplying 3, 6 or 9 volt D.C. current. (5" x 5" x 5"; .5lbs.). |
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EDL EXPLORER PACK
EDL Explorer Pack
Contains 1 each of Power Board, Solar Cell, Motor and Reversible Switch, Buzzer and Contact Switch, and Resistance Set. This unit also contains 1 package of EDL Connector Wires and Instruction Booklet for the following experiments: Solar Driven Motor, a Solar Alarm, Morse Code Transmitter, Light Dimmer, Reversible Motor and more. A wonderful instruction manual is included that explains how the units can be used in conjunction with each other. (5" x 5" x 5"; .5lb). |
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EDL DESIGNER PACK
EDL Designer Pack
Contains 1 each of: Power Board, Lamp and Switch, Transformer, Electronic Solenoid and Pulsator, Heat and Magnetic Switch plus 12 connector wires. Some of the experiments explained in the instruction booklet are: stepping up voltage using a transformer, thermostat controlled light, electronic locks, electromagnets, and a working relay. A well written teacher's guide explains how the units can be used in conjunction with each other. (5 "x 5" x 5"; .5lb). |
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EDL SOLAR CELL
EDL Solar Cel
This solar cell can be used independently to create .5 volt 300 mA or with other solar cells to produce greater voltage. This solar cell will run the motor on the EDL Motor and Reversible Switch. You could use it in conjunction with the EDL Buzzer and Contact Switch and the EDL Resistance Set to Build a Solar Alarm. (5" x 5" x 5"; .5lb). |
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EDL DEMONSTRATION FUSE
EDL Demonstration Fuse
Simple and visual. This EDL consists of two clips in which a piece of steel wool is stretched. When excess voltage is applied to the fahnstock clips the steel wool instantly burns, which opens the circuit. The distance between the clips can be varied as well as the number of strands of steel wool, thus changing the fuses voltage rating. (5" x 5" x 5"; .5lb). |
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EDL MULTI-PUSHBOTTON SWITCH
EDL Multi-Push
Button Switch Five normally open push button switches are mounted on the EDL module board. Several projects can be controlled at the same time with this one unit. Each switch has its own fahnstock connectors. In addition, a conductor pin is provided to be used as a common ground for all switches, if needed. (5" x 5" x 5"; .5lb). |
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EDL DIGIT DISPLAY
EDL Digit Display
Bring a little high tech to your project with this large LED number display. Capable of displaying numerals 0 to 9 using only two volts DC. Each leg of the display has its own fahnstock clips for quick and easy connection. (5" x 5" x 5"; .5lb). |
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EDL LAMP & SWITCH
EDL Lamp & Switch
This is a SPST knife switch that opens and closed the circuit of a 3 or 6 volt lamp.(5" x 5" x 5"; .5 lbs.). |
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EDL MOTOR & REVERSIBLE SWITCH
EDL Motor & Reversible Switch
This 3-volt DC motor can be used with many mechanical-electrical experiments or used in conjunction with the reversible switch. Thrown one way the motor will run clockwise and thrown the other way the motor will run counter clockwise. The switch can also be used independently in other experiments. (5" x 5" x 5"; .5lbs.). |
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EDL HEAT & MAGNETIC SWITCH
EDL Heat & Magnetic Switch
The thermostat on this unit can be used to either open or close a circuit by heat. The magnetic switch has normally open contacts that close when a magnet is brought near.
(5" x 5" x 5"; .5lbs.). |
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EDL TRANSFORMER
EDL Transformer
This mounted transformer is designed to demonstrate how voltage can be either stepped up or down. Input voltage must be either AC or pulsating DC current. You can use your own power supply or try the EDL Electromagnetic Solenoid and Pulsator. (5" x 5" x 5"; .5lbs.). |
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EDL SOLENOID & PULSATOR
EDL Electromagnetic Solenoid & Pulsator
Illustrate electromagnetism and polarity. Connect the spring arm and contacts for constructing a working relay or use this item to pulsate DC current so that it can be used in an AC transformer such as the EDL Transformer. (5" x 5" x 5"; .5lbs.). |
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EDL BUZZER & CONTACT SWITCH
Contact Switch
This unit can be used for many experiments requiring a 6-volt buzzer or a momentary closed switch. By supplying power, you can hook the key switch to the buzzer to create a sounding device for practicing Morse code. You can also connect two units together to send Morse code to each other. (5" x 5" x 5"; .5lb). |
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EDL CONNECTOR WIRES PK/12
EDL Connector Wires
These insulated wires with stripped ends are perfect for all EDL experiments. Wires
are 18 gauge solid copper, 121" long. Pack of 12. (12" x 1-1/2" x 1-1/2"; .1875lb) |
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MAGNETO GENERATOR
Magneto Generator
Perfect for classroom demonstrations of the effect a load has on a power source! The field of this magneto consists of a single Alnico magnet, which has a strong magnetic flux density. Capable of producing higher voltages then cobalt-steel magnets. The generator is mounted on 7 5/8" x 12" wood base with incandescent lamp and socket used as a load. Two binding posts are placed on the board for attaching other loads. Complete with instructions. (16" x 8" x 6"; 6Ibs). |
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DIGITAL MULTI-METER
Digital Multi-Meter
A versatile meter with a myriad of potential uses! Almost all electrical experiments require the accurate measurement of voltage, current or resistance. This digital meter is housed in a strong, resilient plastic case with a .5" tall display and is highly accurate. Comes with attachment cords and uses 9 volt battery. Ranges are DC-20 mV, 2000mV, 20V, 200V, 1000V AC-200V, 750V, DC Current-200uA, 2000uA,
200mA. (Weight & Dimensions). |
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Meters
Low-cost, high-quality meters for numerous uses. (+/-2.5% Accuracy). |
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PROJECTION VOLTMETER
Electric Meters for Overhead Projectors
Great for teaching electricity concepts to large classes! These fully functional electric meters are built in transparent cases so that they can easily be projected for classroom education. Each unit incorporates dampening features, magnetic shielding and an accuracy of + or - 2.5%. 4" x 4.5"; 4.3oz. Provided with a well-written instruction sheet offering a number of suggested uses. (6" x 2-1/2" x 5"; .294lb) |
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Two Potato Clock
The Potato Clock is designed to demonstrate the principle of an electrochemical cell. The LED clock runs on 2 potatoes, oranges, grapefruits, lemons or cans of soda pop. Potatoes not included. |
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PRIMARY & SECONDARY COIL
Primary and Secondary
Coil Experiment with Transformer Principles and Induction! The outer coil is 4-1/2" tall and 2-3/4" in diameter. The inner coil is 3-3/4" tall and 1-1/4" in diameter. The removable steel core with handle is 1/2" in diameter and 5-1/2" tall. All coils are wrapped with 20-gauge magnet wire with insulated binding posts as connectors. (5-1/2" x 3" x 2-1/2"; .75lb). |
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Switch Resistance Box
Very accurate for electronic measurements! A multi-resistor box with resistance ranging form 0 to 999 ohm. Coils calibrated to accuracy of 0.2%. Coils have non-inductive windings so the box is applicable for both DC and AC experiments. All coils are firmly locked into place to eliminate physical strain on the wires. Other features: silkscreened cover, insulated binding posts, pointer knobs, and multiple switches with wiping contacts. Instructions provided. (5 1/2" x 7" x 2 1/2"). |
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RESISTORS MOUNTED ON ACRYLIC B
Resistance Apparatus
>Easy to use, great for demonstrations! Made of 1/8"" Clear Acrylic with 20 mounted resistors. The Resistor Board sets both vertically and horizontally for ease of use, and it can be used with an overhead projector. The resistors are spaced slightly above the board for cooling purposes, and each is also equipped with both black and red thumbnuts for easy connections. The unit contains the following resistors: two 10 ohm 5 watt power wire wound, two 100 ohm 1/2 watt, four 10 meg, ohm 1/2 watt, one 1K ohm 1/2 watt, one 1 meg, ohm 1/2 watt, one aluminum housed 50 ohm 10 watt, one aluminum housed 100 ohm 10 watt, two 560 ohm 1/2 watt, two 2.4K ohm 1/2 watt, one 10 ohm 1/2 watt, one 51K ohm 1/2 watt. (6-1/2" x 4" x 1"; .5lb). |
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MOUNTED RESISTORS SET/6
Mounted Resistors
Securely mounted resistors. Great for use with the #2305 Wheatstone Bridge. These six wire-wound resistors ranging form 5 to 1000 ohm are mounted on a 10 x 15-cm base and are rated at 5 watts. Connecting nuts attached to the ends of each resistor make connections easy. The resistor's value is hidden from view; and the students try to assess the value of the resistance. (6"x4"x1-1/2"; 5lb). |
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RESONANCE TUBE APPARATUS-VERTI
Resonance Tube Apparatus, Vertical |
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Rheostats
Allows for a variety of experiments with dual functions! Inexpensive wire-wound variable resistances of various power ratings housed in ventilated black plastic cases, which protect windings. Resistance and power values are marked on the case. Features three insulated binding posts so that students may use it as a potentiometer or rheostat. |
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Rheostats
Allows for a variety of experiments with dual functions! Inexpensive wire-wound variable resistances of various power ratings housed in ventilated black plastic cases, which protect windings. Resistance and power values are marked on the case. Features three insulated binding posts so that students may use it as a potentiometer or rheostat. |
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VISCOSITY TUBE
Viscosity Tube Demonstration Apparatus
The viscosity of four different liquids can be visually compared with this apparatus! Each tube contains different weight fluid and a 3/8" plated steel ball. The balls are lifted just above the line on the tube with
a neodymium magnet and then released. Students compare the time it takes for the balls to fall through the weighted liquids and settle on the bottom of the tubes. Liquids not included. Instructions provided. |
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STUD.CELL VOLTAIC W/2ELECTRODE
Voltaic Cell
The voltaic cell is ideal for demonstratingthe characteristics of a primary cell! Supplied with 2 electrodes, copper and zinc. (4" x 4" x 5"; .55lb). |
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DO-ELECTRONIC ACCESSORY BOARD
Electronic Accessory Board
An easy way to illustrate circuits! This 10" x 10" clear acrylic board is great for teaching simple electric circuits. The wires that connect red and black binding post and banana jacks are color-coded. This board has a SPST knife switch, DPDT knife switch, push button switch and two mini receptacles. A comprehensive teacher's guide will guide you through the exercises. (2Ibs.). |
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MOUNTED SOLENOID
Solenoid with Mount
This unit is very similar to #1850-1, only with a back-mounting block used to attach the unit to a support stand. The 3/4" iron core has a threaded hook for attaching a spring or a cord. (8" x 4" x 4-3/4"; 2Ibs). |
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STUDENT CELL W/ELECTRODES
Voltaic Cell, with 8 Electrodes & Porous Cup
The cell cup is clear so you can easily view the electro-chemical reactions taking place. The top rim is made of heavy molded plastic with sturdy nickel plated clamps designed to hold both round and flat electrodes. A porous cup is also included. The unit measures 95mm diameter x 120mm height. Instructions provided. (4" x 4" x 5"; 6lbs). |
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POROUS CUP
Porous Cup for Voltaic Cell |
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ELECTRICITY & MAGNETISM KIT
Electricity and Magnetism Kit
Teach basic electricity and magnetism with the same convenient kit! This kit can be used to demonstrate most of the principles of electricity. Supplied with an easily understood instruction manual. The kit contains the following: Voltmeter 0-1.5; 0-3v, Milliammeter 0-500 mA; 0-1000mA, Electroscope, Battery Kit, Mini Rheostat, Two Bar Magnets 2" in length, Compass Needle, Two Resistors, Mini Electromagnet, Horseshoe Magnet, Two Mini Contact Switches, Two Bulb
Holders, Package of Iron Filings, Battery Holder D-Cell, Coil of Wire, Steel Rod Electromagnet, Acrylic Piece 19mm x 120mm, Two Plastic Rods 5mm x 120mm. (6-1/2" x 6-1/2" x3-1/2"; 3Ibs). |
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MOTOR GENERATOR
Motor Generator
Gives students a visualization of the way Motors and Generators work! Demonstrates both shut-wound and series-wound connections for motors and generators. Includes a 2-pole armature, brushes, and a coil for use as an electromagnet. Easily dismantled to change the configuration. Requires a DC power supply, sold separately. (5" x 6" x 4"; 1.3lbs). |
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MINI MOTOR MODEL
Miniature Motor Model
The best way to understand how something works is to build it yourself, and that is what this kit is designed to do. This model of both an AC and DC motor is easy to assemble and disassemble. This unit is self-contained and even includes a wrench and screwdriver. Demonstrate both permanent and electromagnet motors. Everything comes packed in it's own protective case which becomes the base for the motor when it's assembled. Instructions included. (6" x 1-1/2" x 4"; .75lb). |
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MOTOR DEMO. W/3 ARMATURES
Motor Demonstration
This heavy-duty motor is a wonderful visual aid for demonstrating the functions of DC electric motors. Built from cast steel, this unit runs freely and quietly on 2 to 4 volts DC. The motor is mounted on a sturdy base and stands approximately 5 1/2". Connections are made through the insulated binding post. A wellwritten teacher's guide is also provided. (7-1/2" x 5-1/2" x 6-1/2"; 3.5lbs). |
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SOLAR CELL AND MOTOR
Solar Cell and Motor Demonstration
High-power silicon cell converts light directly into electricity to operate a motor. Exceptionally high output 1/2v with 300 milliamps of current output in bright sunlight. Solar cell approximately 2" x 3" with plastic diffusing lens and protective mounting. Motor with special anti-friction bearings revolves approximately 400 RPM in bright sunlight. Instructions included. (5" x 5" x 4"; .5lb). |
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SOLAR CELLS SILICON
Solar Cells, Silicon 3 Cells Mounted on an Acrylic Base
Use these Solar cells as a power source for your experiments! Three solar cells 1-3/4" x 3", mounted on a 4" x 6" black acrylic base, with three sets of binding posts. Useful as a power source for many electrical experiments. (4" x 6" x 1"; .5lb). |
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SOLAR CELL DEMONSTRATION
Demonstration Solar Cells
This is a great desktop item and attention-getter. Four powerful solar cells are mounted on a revolving disk and motor. This in turn is mounted to a plastic stand and base. Watch as the entire disk, solar cells included, begin to whirl around when the unit is placed in the sun. Instructions provided. (5" x 4-1/4" x 5-1/2"; .5 lb). |
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AC/DC GENERATOR
AC/DC Generator
.Double your teaching and experimental possibilities - demonstrates AC and DC properties! With this unit both alternating & direct current can be demonstrated. By turning the handle the current that is produced can be seen as it lights the lamp. The quicker the handle is turned, the brighter the light. Instructions included. (5-1/2"x9"x13"; 7.54lbs). |
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SOLENOID/ELECTROMAGNET WITH CO
Solenoid/Electromagnet with Iron Core
Study the magnetic field of a current-carrying coil, and how an iron core affects it. Used for many demonstrations involving electric magnets or solenoids. A plastic spool is wrapped with three layers of 20-gauge magnet wire. A 1.8 cm diameter removable steel core is located inside the solenoid. Insulated binding posts are located at each end for application of an electric current. Included is a 3/4" x 6" steel core. Instruction sheet provided. (8" x 4" x 4"; .62 lb). |
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CURRENT BALANCE
Current Balance
Lets your students study factors that determine the magnitude of force! This unit is used to measure the current in a magnetic field traveling through a conductor. Instructions provided. (13" x 7" x 15"; 5Ibs). |
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ONE HAND GENERATOR W/CONN
The One-Handed Generator
Simple, convenient, and easy! This simple generator can be operated with one hand, and will generate up to ten volts. Moderate cranking speeds will generate approximately 5.5 volts DC The alligator clips on the end of the connection cords provide a convenient hook up to any electrical device. The unit's transparent casing also allows for viewing of the inside workings of the generator during operation. (8" x 5-1/2" x 2"; .5lb). |
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DC GENERATOR
DC Generator
A versatile generator and a perfect power supply for many experiments! This pistol grip style handle generator can be utilized with almost any experiment requiring up to 12-volt DC current. Housed in tough clear plastic. This unit is not only functional but also costs about half of that of similar models. This generator can also be used as a hand generated flashlight due to the mounted lamp on the end or use the binding post to connect an outside electrical circuit. (6-1/2" x 2-1/2" x 4-1/4"; .5lb). |
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ST. LOUIS MOTOR
St. Louis Motor
Great way for students to learn fundamental motor and generator functions! The St. Louis Motor is useful in demonstrating the operations of a DC motor. The motor consists of a 2-pole armature mounted between magnets. The steel supports are mounted on a ridged plastic base. Will operate on 3 to 9 volts DC. Instructions provided. (5" x 5" x 7"; 1.375lbs). |
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DC MOTOR KIT
DC Motor Kit
Assemble your own DC motor and learn by doing! This kit allows students to build their own DC motor from scratch. All of the needed parts are included along with a detailed instructions manual. Runs on one AA battery. (3.5" x 3" x 3"; .25lb). |
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HAND GENERATOR KIT
Electropulse DC Generator Kit
This huge kit offers dozens of exciting experiments in electricity! Each kit is built around a handpowered DC generator that is capable of producing up to 12 volts DC (current, 2.3 amp at 7.5 volts, 3.2 ohm load). An in-depth instruction booklet takes the user through the basic principles of electricity such as atoms, electrons, the Bohr atomic model, diodes, electromagnetism, motors, generators, current, resistance, Ohm's law, parallel and series circuits, conductors and insulators, circuit protection, electrolysis, electroplating, meters, batteries, magnetic fields and much more |
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Connector Cords
Safe and easy for students to use. Spade wires simplify wiring, and the flexible cords are plastic-coated to ensure added safety in the classroom. (.12Ib).
Note: B (Black) or R (Red) |
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CONNECTOR CORDS SPADE TERM.24
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Wind Turbine
This exciting kit allows students to build and test a fully-functional wind turbine. The comprehensive guide was developed by the Kidwind Project and contains in-depth information about history, turbine design, and wind energy. Students use a multimeter (included) to monitor how much power their wind turbine produces. |
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TANGENT GALVANOMETER
Tangent Galvanometer
This small, compact tangent galvanometer provides an uncomplicated method for studying direction and magnitude of magnetic fields! It also demonstrates that deflection of a magnetic needle is proportional to current, thus becoming a simple way for students to understand the internal workings of meters. The unit is constructed on an attractive black acrylic base. Requires a 1.5-volt DC power source. Includes: instruction manual, compass and connector cords. (7" x 5" x 7"; .5Ib). |
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Connector Cords
Safe and easy for students to use. Banana plugs provide good continuity.
Note: B (Black) or R (Red) |
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Connector Cords
Safe and easy for students to use. Teeth on alligator clips maintain solid contact; banana plugs provide good continuity. Spade wires simplify wiring, and the flexible cords are plastic-coated to ensure added safety in the classroom. (.12Ib).
Note: B (Black) or R (Red) |
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TRANSFORMATION OF ENERGY
Transformation of Energy Apparatus
Demonstrate the transformation of mechanical energy into electrical energy, light, heat and sound energy with one apparatus! Mechanical energy is induced into this unit through a high quality Alnico magnet generator. Through the use of knife switches, the current can be directed to an electric bell, lamp and socket, 110V induction motor with propeller, or any combination of the three. Feel the difference in the drag of the generator as the switches are opened and closed. The entire unit is mounted on a stained and varnished wood base. Complete with instruction sheet. (24-1/4" x 8" x 6.5"; 6Ibs.) |
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BATTERY HOLDER
This battery holder provides a convenient way to hook up a 1.5-volt battery to your electrical experiment. Includes a PVC base and binding posts. (3-1/2" x 3-1/2" x 2-3/4"; .05Ib). |
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WHEATSTONE BRIDGE
Wheatstone Bridge
Teachers exploring the world of electricity and electrical circuits
will not find a more ruggedly built and handsome Wheatstone Bridge.
Nickel-plated metal strip and a light hardwood meter stick are mounted
to a beautifully stained hardwood base. Metal binding post completes the solid
demonstration apparatus. Complete with instructions. (43" x 4" x 4"; 3.1Ibs). |
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WHEATSTONE BRIDGE EXPERIMENTAL
Teachers exploring the world of electricity and electrical circuits will not find a more ruggedly built and handsome Wheatstone Bridge. Nickel-plated metal strip and a light hardwood meter stick are mounted to a beautifully stained hardwood base. Metal binding post completes the solid demonstration apparatus. Complete with instructions. (43" x 4" x 4"; 3.1Ibs). |
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DC MOTOR WITH LEADS
Motor with Leads
This little yet powerful motor is ideal for hundreds of electrical experiments and projects! The motor housing is 23.8 mm in diameter and 30.5 mm in length with an overall length of 45mm including the 2mm diameter shaft. Voltage requirements are 4.5 to 6.0 dc volts. Each unit also incorporates a 30mm long red and black connector cord with insulators. (23.8mm d x 45mm l; .11lb). DC Motor w/Leads 7-280- |
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COMPOUND BAR
Compound Bar
A dramatic demonstration of the thermostat principle! Consists of a bimetal strip mounted in a wooden handle. Because of the unequal expansion of the two different metals, the bar will bend when heated which illustrates the operation of a thermostat. Instructions provided. (10" x 3/4" x 3/4"; .2Ib). |
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Connectors Only
The component parts you need to make your own lead-wires. |
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Crucibles
High Form, Porcelain, 30mm dia x 20mm OD x 28mm Height x 10ml Capacity |
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CONDUCTIVITY OF SOLUTIONS
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Crucibles with Lid
Low Form |
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CONTACT KEY, IMPORTED (SEE 7-316)
Single Contact Key
Perfect for experiments which require momentary current; the contact key can be used to open or close an electrical circuit. The key is mounted on a 3" x 4-1/2" black acrylic base, with two binding posts. The key is made of plated metal with contacts and insulated button which is pressed to close the circuit momentarily. (3"x 4-1/2" x 3"; .5Ib). |
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DISSECTABLE TRANSFORMER
Dissectible Transformer
Allows students to understand a transformer from the inside out! This unit encompasses both a U-Core and an I-Core. The transformer plates are made from grain oriented steel. The recommended power source is a maximum of 12 volts, 3 amps. Included are 2 coils, 1-100 turns, 1-200 turns and an instruction manual. (8" x 4" x 4"; 4.25lbs). |
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Flint Bottles - Boston Round, with Dropper
Assemblies Clear and round, with built-in dropper in lid. |
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Jars - Flint with Caps
Clear, round glass jars with screw-on caps. |
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Separatory Funnels
Translucent polypropylene construction with leak
proof, tight fitting, coarse threaded caps. Each unit
comes with a built in, high quality, self lubricating
PTFE stopcock and is completely autoclavable. |
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Electrolysis
Demonstrate qualitative and quantitative measurements of current with one apparatus! |
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Volumetric Pipette (Transfer Pipettes)
These pipettes reliably provide consistent drop sizes and are accurately calibrated to deliver! |
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ELECTROLYSIS APPARATUS - Ungraduated tubes
Electrolysis Apparatus
Collecting Tubes & Platinum Electrodes - An inexpensive yet functional electrolysis apparatus! The two 12-5/8" arms of the U-tube are un-graduated and open at the top. Rubber tubes and pinch clamp are used at the open ends to retain the gases.
Electrolysis Apparatus, with Un-graduated Tubes |
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ELECTROSCOPE & Supplies
Use either the built-in LED or attach your own meter to measure electrostatic changes up to three feet away. Built using solid state circuitry. Instructions provided. One 9-volt battery is required. (4" x 3" x 3"; .34lb). |
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ELECTRODES COPPER
Electrodes, Copper, for Electrolysis Apparatus
Perfect for experiments. Pre-cut to cut down on project time and flat electrodes are stamped with the element symbol. |
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