Kinetic Desk Toy with Ball Bearing Provide Decoration or Pleasure Relieve Stress or Inspire Creativity for Adult Office Stress Relief Visual Illusion Metal Ball (Gold)

Amazon.com Price: $15.99 (as of 11/02/2024 16:56 PST- Details)

MIND BENDING EFFECT: you’ll instantly notice minutely milled lines and smooth surface texture upon touching, revolving sphere that creates optical illusion of continuously flowing helix and provides mesmerizing experience.
SOLID SPHERICAL BODY: Material is aluminum alloy, a helix-shaped groove milled alongside the whole surface designed to spin on any flat surface, rotating base equipped with bearing, guarantees a smooth and silent spin as well as long-lasting.
DYNAMIC SCULPTURE: spin visual illusion ball and it will change its patterns along with direction and speed of rotation, enjoy different visual effects from various angles.