Hydraulic Arm Activity Kit (Advanced)

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. Note: Advanced Activity Kits contain more components, allowing for more free-form making. 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