Machines
Balancing Bird
This simple device demonstrates how gravity works. By perfectly distributing weight on the tips of t..
Product Code: 7-1320
$2.95
Investigating Force Kit
Measure the forces of gravity and power with this complete kit! Nine experiments allow students to u..
Product Code: R-4000800
$119.95
Simple Machines Kit
Challenging experiments with levers, wheel and axle mechanisms, pulleys and an inclined plane, help ..
Product Code: 4004
$199.95
The Clock
Discover the secret to the clock's hand movements with a Koontz™ Clock kit. Did you know in a mecha..
Product Code: 6-50010
$9.95
The Combination Lock
Discover how to crack the code of an ancient puzzle with the Koontz™ Combination Lock kit. Did you ..
Product Code: 6-50030
$9.95
The Dynamometer
Build your own Dynamometer and measure the force exerted by the Earth's gravity on objects around yo..
Product Code: 6-80020
$18.95
The Hooey Stick
The Hooey is a stick with a series of notches and a propeller. Rubbing it against another stick acro..
Product Code: 6-80010
$12.95
The Merry Go Round
See centripetal force in action with the Koontz™ Merry Go Round kit! Anyone can enjoy a merry go ro..
Product Code: 6-40010
$9.95
The Pisa Tower
How is it that the Leaning Tower of Pisa does not topple over? Build a model and learn about center ..
Product Code: 6-100020
$49.95
The Safe
Discover the inner workings of a combination lock used in safes with the Koontz™ Safe Kit! Did you ..
Product Code: 6-50020
$9.95
Wheel Mechanisms Kit
This kit will explore some different possibilities for creating simple pulley, gear, wheel and axle ..
Product Code: 3982
$145.00