Smartivity Hydraulic Crane, STEM DIY Fun Toy, Educational & Construction Based Activity Game Kit for Kids 6 to 14
Build-it-Yourself STEAM Construction Toy | Learn Hydraulics & Rack and Pinion Mechanism How do hydraulic power pick up heavy things and move them around? Find out the scientific secret with Hydraulic Crane Toy - a DIY wooden construction toy that kids can move around two axes and use to lift objects. Endless hours of joytime is guaranteed!