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Build a giant hydraulic hand powered by water—no batteries needed! This 203-piece kit lets you create a wearable robotic hand that grips, lifts, and moves with your fingers. Learn how hydraulics work while experimenting with three hand configurations that fit most sizes. RAD Details + Ages: 7+ + Experiments: 1 + Piece Count: 203 + Manual Pages: 52 + Product Dimensions: 10 x 13 x 4.7 in. + Product Weight: 1.8 lbs + Manual Dimensions: 8.25 X 11.5 in. + Batteries Required: N/A + Country of Origin: Taiwan + Year Released: 2020
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🇺🇸 Ship from USA · On Agora since 2025
$45.00