A precision-machined globe that creates a full-body optical illusion as it rotates. When rotated, it creates an almost magical effect that looks like a continuous flow of spirals blending into the surface of the tabletop. Hypnosis BallCool spinning toy for concentration, stress relief, anxiety relief, healing, therapy or relaxation during working hours. High Quality GyroscopeMade of aerospace grade aluminum with spiral grooves milled on the entire surface. Designed to rotate on any table or flat surface. The sturdy spherical body and smooth surface make it very pleasant to interact with. It spins silently.The base is removable for easy access to the bearings. New Spindle Size and Material38*34mm, about 70g. Product material: aluminum alloy, plastic. Color: Gold, Silver. Spin time: about 3 minutes (depending on how well the person spins). Want to surprise someone? This animated tabletop toy is a truly great original gift that creates a little magic every time you interact with it. Each unit is designed with attention to the smallest detail and is built to last. color: blue