Explore the wonders of physics and engineering with our Kinetic Globe 3D Wooden STEM Construction Kit! Ideal for students, engineers, teachers, or anyone with a curious mind, this kit features inner and outer rotating spheres that are set in motion by a wind-up rubber-band engine. Watch as the spheres move around the axis in opposite directions, creating a mesmerizing and educational display of kinetic energy. This hands-on kit is not only fun to build, but also a great way to learn about mechanics, motion, and design. Perfect for STEM enthusiasts of all ages!