A Built-It-Yourself Working Hydraulic Arm
This DIY wood kit is an excellent way to learn about hydraulics. Made of sturdy die-cut plywood with an mdf base, the model measures 16" x 13" once constructed. Perfect for those looking to learn more about robotics, levers and simple machines, fluid dynamics, and engineering. Plus, it's a great STEM activity project. Assembles easily in about one hour. Instructions and required glue included.
For ages 8+.