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Build 3D glasses and explore how they facilitate the illusion of depth. Each of the colored lenses f..
Build a device that will allow you to explore Bernoulli's Principle. What will happen to the two bal..
Discover the secret to the wheel's motion with the Koontz™ Boomerang Wheel kit! Did you know that t..
The catapult is a device with a lot of power. Build one and see for yourself how ancient armies used..
Discover how the power of magnetism causes this pendulum to undergo chaotic motion and keep you gues..
Discover the secret to the clock's hand movements with a Koontz™ Clock kit. Did you know in a mecha..
Discover how to crack the code of an ancient puzzle with the Koontz™ Combination Lock kit. Did you ..
Build your own Dynamometer and measure the force exerted by the Earth's gravity on objects around yo..
The Hooey is a stick with a series of notches and a propeller. Rubbing it against another stick acro..
Do you really understand the shape of the towers you have just built? If so, can you get the string ..
Discover how the incredible jet force propels boats, planes, and missiles with the Koontz™ Jet Car ..
Discover a dazzling array of shapes and colors. Close one eye and surrender to the spectacular and c..
Build a Mangonel and experience the launch power of a medieval siege engine! Did you know that a Man..
Build a Mathematical Balance and explore mathematical and algebraic concepts in a tangible and fun w..
See centripetal force in action with the Koontz™ Merry Go Round kit! Anyone can enjoy a merry go ro..
Discover how to see without being seen with the Koontz™ Periscope kit! Did you know periscopes are ..
How is it that the Leaning Tower of Pisa does not topple over? Build a model and learn about center ..
Discover the inner workings of a combination lock used in safes with the Koontz™ Safe Kit! Did you ..
Can you make the colors of the button disappear? Simply roll the rope and release it by repeatedly p..
Have you ever wondered how we would tell time if we didn't have modern day clocks? Build a sundial a..
Koontz™ innovative products are designed to excite children and delight parents. Products are made f..
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