What could you do with a third arm? Build a remote-controlled, hydraulic-powered one from scratch and find out! Measure, cut, ream holes, and tap to construct your own: 3 cylinders moving the arm and 3 cylinders for the control panel. Follow the instructions the first time, then tinker to improve it.
- Each kit includes a wide selection of blocks, barrels, plungers, pistons, and connectors for customized creating
- A variety of build guides, design challenges, and lab activities are available for free download
- Ages 9+ (adult supervision recommended)