Speciufication: Item Six-Leaf Blue -White Porcelain Hand Spinner Material Plastic Size 5.80 x 5.80 x 1.30 cm Weight 57g Feature: Feature:Great For Whiny Hands, ADD & ADHD Sufferers Helps Relieve Stress.Perfect size suitable for Adults and kids.This product is different from the market of cheap models, it has a high speed, good anti-throw, longer duration (about 2 minutes) and so on.Easy To Carry, Small, Simple, Discrete and Fun, also effective for Focus and Deep Thought.SLA technology, laser industrial molding technology. Useage: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,spinners can be spun using one hand only using the fingers of one hand to stop and start spinning  Packaging Included: 1x Hand  Spinner