Build this kit and familiarize yourself with the world of electronics, mechanics, or hydraulics in an enjoyable way. This kit is the perfect introduction to the world of hydraulics. Children will learn the basic principles of hydraulic systems and their applications. The kit contains 229 parts and a detailed, illustrated manual that allows for easy assembly of the robotic arm. Enhance your technical, mathematical, scientific, and technological skills. The robotic arm operates solely on water, without the need for batteries or motors. The kit is suitable for children aged 14 and up.