Fidget Spinner: 3 to 5 minute average spins greatly fit for fidgety hands, ADD or ADHD sufferers helps relieve stress. No Big Noise: Easy to carry, small, simple, discrete and fun, also effective for focus and deep thought with using this hand spinner. Great Bearing: The fidget spinner use Stainless steel bearing, SLA technology, laser industrial molding technology. The body is made of aluminum metal material CNC with high quality, feel very good gravity, fast rotation. Accompany you year by yearHold hand spinner in one hand and use the other hand to spin it rapidly using small continuous strikes to keep it spinning indefinitely with practice. We Care For You: The best choice for kids Birthday stocking stuffers. Any question please let us know anytime. We will help you the best we can.