Perpetual Motion Kinetic Art Asteroid

It demonstrates not only a pendulum, but the laws of momentum and energy, which oscillates permanently on any executive desk or tabletop in your home or office, It is perfect for the office or space decoration in space, also for lovers of science or for demonstrating the physical laws in science classrooms This kinetic art cosmos is made from high-quality stainless steel and plastic base with solid lightweight construction for lots of use. Requires battery to operate.