Push and Pull, Squeeze and Release! Use the power of water, Move objects with ease! The latest DIY project from Smartivity STEM learning based Activity Kits range introduces children to the fundamentals of hydraulic machines in the most playful and engagement filled manner. The kit contains all the elements essential to build a fully-functional hydraulic crane, richly-illustrated and easy-to-understand step-by-step Instruction booklet and tools to embellish the project once built. The project assembly provides at least an hour-long engagement and the game-play ensures that children proudly continue to play with the project.