CE Certified--Strictly conforms to EN71, US CPC safety standard. Durable Material--All metal construction, the metal fidget spinner features high-speed bearing R188 speed in the center to ensure optimal spin and consistency, as well as increase centripetal force and spin time. So these ADHD metal anxiety toys can spin at least 3 minutes. ROUND SIDE AND SMOOTH SURFACE -- Protect your fingers from scratches. NO NEED FOR REPAIRS, OIL OR MAINTENANCE: Use the stress relief toys right out of the box. They also offer very little slowdown during tricks. Easy to Use Figet Toys-- To spin ADHD Figet toys, simply hold them with one finger on either side of the center, then turn them with the other hand. With practice, fidget spinners can be operated with one hand. Anti-Stress Toys--With a fidget spinner, you can get rid of unwanted habits like nail biting or smoking. Your boredom time will pass quickly and you will have a good time when you are alone. Instead of fiddling with your nails, you can simply take the fidget spinner and play with it. Many people have managed to get rid of unwanted habits using this fun and cool toy. Number of shipments: 1 pcs