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4M KidzLabs Mega Hydraulic Arm$10.00
Experiment with the amazing science behind hydraulic power as water is all you need to power this multi-axis robot! Assemble the Mega Hydraulic Arm and discover the vertical claw movement, rotatable base, use the arm to grab different objects. A fascinating project to engage children in scientific principles. Requires a small cross head screw driver and a used, clean tin can.