The Toy Smith Mini Jupiter Pendulum Kinetic Energy Desk Sculpture is a decorative piece that works great on any desk or shelf. This mini sculpture, made of plastic and metal with a chrome look finish, harnesses kinetic energy with its pendulum motion. It adds a touch of whimsy and movement to any space, making it a unique and eye-catching addition to your home decor. Powered by a 9-volt battery, this desk sculpture from Toysmith is sure to be a conversation starter in any room.