1. Rotating Toy: 3 to 5 minute average spins greatly fit for fidgety hands.2. ing: The rotating toy use less steel bearing, SLA technology, industrial molding technology. The body is made of aluminum metal material CNC with high-quality, feel very good , fast rotation.3. Endless Fun: Bring you endless fun with a special rotation method. s improve concentration and through smooth rotation.4. Lasting: Accompany you year by year. Hold hand rotating toy in one hand and use the hand to spin it rapidly using small continuous strikes to keep it rotating indefinitely with practice.5. No Big : of aluminum Material. Small size, easy to carry, simple, discrete, and fun, also effective for focus and deep thought with using this hand rotating toy.