Harbottle, teaching tool for introducing pressure and discussing its applications, such as vacuum cleaners, flight, pumps, weather, and even how we breathe, balloon and a bottle, Measures 5In in diameter. Grades 5 and up
Wiggle-Bots - Doodling, Scribbling, Drawing, Racing Bots, motorized contraptions that are designed and built by kids, widen as wires are connected and Wiggle-Bots start to move, understanding and design through experimentation
Wiggle-Bots single- Doodling, Scribbling, Drawing, Racing Bots, motorized contraptions that are designed and built by kids, widen as wires are connected and Wiggle-Bots start to move, understanding and design experimentation
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