• Hydraulic engineering STEM kit for kids
• A hands-on way to introduce kids to the basics of hydraulic science and technology
• Includes instructions and parts to build an excavator, crane, and a bulldozer
• Observe unique 3-D movement in each completed model
• 90 parts

Introduce kids to the basics of hydraulic science and technology with this three-in-one kit! With 90 parts, aspiring engineers can construct an excavator, bulldozer, or crane that will move using the power of water pressure. Includes instructions.