How cool is it that the mainspring stores energy, then converts it to motion? Discover the physics of potential and kinetic energy and the inner wo...
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Set the planets in motion with a flick of your wrist! Build a mechanical model of the solar system including the sun and eight planets (also known ...
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Super sweet stunts! Build your own gumball machines and learn physics lessons in the process. A turn of a handle dispenses one gumball at a time ou...
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If your tween or teen has a fascination with all things steampunk - or trains in general - then this kit is for them! Young engineers put on their ...
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Kick your creativity into gear! Easily connect 16 cogs and gears to create a mechanical display like you've never seen before. Six larger gears hav...
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