Smartivity 7-in-1 Amazing Machine Hydraulic Kit

a versatile and interactive educational toy that allows children to explore the world of hydraulics while having a blast! This kit comes with multiple build options, including the Build Ball Catapult, Stamp Machine, Gadget Glasses, Batting Machine, Prank Gadget, Lift Ramp, and Flapping Device. Each build not only provides hours of entertainment, but also teaches kids about the fascinating hydraulic system. With the Build Ball Catapult, children can learn about the principles of force and motion as they launch balls into the air. The Stamp Machine allows them to create their own personalized stamps using hydraulics. The Gadget Glasses provide a fun and imaginative way to see the world differently with hydraulic-powered lenses. The Batting Machine lets kids practice their hitting skills while understanding the mechanics of hydraulics.