Johnco - Hydraulic Robot Arm

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Have total command of your Hydraulic Robot Arm using the scientific principles of this hydraulic system.This 229pc kit has easy-to-follow instructions with detailed graphic illustr ations.A great inclusion to any engineering, science and mathematics learning strategy.No batteries or motor required - it is powered by water, creating the hydraulic aspect of the toy and it's ability to be controlled by levers.For Ages 10yrs+. It will also challenge the beginner engineering enthusiasts.Pack Dimensions (cm): H: 29 W: 40 L: 11 Show more