24 Tri-Spinner Fidget Toy UFO Space Metal Ball EDC Hand Finger Spinner Focus ADHD * Available colors: Green, Blue, Red, Yellow, Black, and White! Send us an email immediately AFTER purchase to choose a color, otherwise we'll ship RANDOMLY. Measures: 3" X 3" Find yourself fidgeting? Well this is the gadget for you! Using great bearings, the middle one is a metal bearing, for an ultra smooth spin. High performance bearing for extremely fast and long spin times. Great For Fidgety Hands, ADD & ADHD Sufferers Helps Relieve Stress, Perfect size suitable for Adults and kids. Easy to carry, small, simple, discrete and fun,also effective for focus and deep thought. SLA technology,laser industrial molding technology,resin materials,accompany you year by year. Use This Way:Hold spinner in one hand and use the other hand to spin it rapidly using small continuous strikes to keep it spinning indefinitely with practice.