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Take hands-on learning to the next level with KEVA Contraptions
Item #15351
You decide on the color scheme and how you want to wear it – as a headband
providing a view of the engine block
Water Power: Rocket-Propelled Cars, Boats, and More trucks Take hands-on learning to theHarness the power of air and water to make things move! Build water rocket cars, jet propelled boats, a water gun, and even a lawn sprinkler. Learn about the laws of physics and their applications in real world engineering. When you pump air into your rocket, you increase the air pressure inside. Then when you release the clamp, watch out the air and water mixture inside will shoot out, causing your rocket to zoom off in the opposite direction! Many
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