Smartivity Pump It Move It Hydraulic Crane introduces your child to the basics of pressure-based mechanisms that they see around in cranes, JCBs and other heavy engineering equipment. Hydraulic Machines use the power of water pressure to carry out specified tasks. From cranes to braking mechanisms, hydraulic power finds widespread use in daily life. Smartivity Pump It Move It Hydraulic Crane STEM Educational Construction Activity Toy helps children understand how these mechanisms work, in the most playful and engagement filled manner. The kit contains all the elements essential to build a fully-functional hydraulic crane along with our richly-illustrated and easy-to-understand step-by-step instruction booklet. Once assembled, children can use their Hydraulic Cranes to life objects and move them around. The project assembly provides at least an hour-long engagement and the game-play ensures that children proudly continue to play with the project even after. Ages: 6 +