An incredible hydraulic arm you can build to discover the amazing laws of mechanics and engineering! With more than 300 components, you can build a hydraulic arm that you can control through a system of pistons and coloured liquids and get to reach for objects, pick them up and move them. Build up to 50 models of hydraulic machines and discover the laws of hydraulics by controlling fantastic designs that follow your instructions. The detailed instructions guide the child in the constructions and helps him understand the basics of engineering, physics and mechanics.
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