Project Blueprint's Maxwell's Wheel by Toysmith is a 10" tall classic kinetic sculpture transforms potential energy into a yo-yo like motion using an oscillating flywheel that is both fidget-friendly and desktop fashionable. This fidget sensory experience is the perfect gift for your favorite desk jockey. This science-adjacent line of desktop kinetic sculptures is engineered to strike a balance between procrastination and productivity. Engage the laws of motion to transform inertia into creative energy. Sometimes the key to genius is thinking about nothing at all. Recommended for age 8 years and up.