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Spring into action! This jumping robot is made from the tracks of an old snowmobile, a waffle iron, and some rubber bands. It’s fast and easy to build, demonstrates cams, springs, and motors in action, and powered by an electric motor. Dimensions: 4 x 4 x 3.8 in.
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🇺🇸 Ship from USA · On Agora since 2025
$11.95