Specification: Item Hand Spinner Material Aluminum alloy Size 75*75mm Weight 43g Easy To Carry, Small, Simple, Discrete & Fun, also effective for Focus & Deep Thought Use our Fidget Spinner Toy to help reduce stress, anxiety & symptoms associated with ADD/ADHD, Autism, nail biting, hair twirling & leg bouncing. & also help to increase focus & attention. Use This Way: Hold spinner in one hand & 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 & start spinning Package included:1 X Hand Spinner