Fidget spinner: 3-5 minutes average spins great for fidgety hands, ADD u0026amp; ADHD sufferers helps relieve stressnNo big noise: Easy to carry, small, simple, discrete and fun, also effective for focus and deep thought with using this hand spinnernGreat bearing: The fidget spinner use stainless steel bearing, SLA technology, laser industrial molding technologynHold hand spinner in one hand and use the other hand to spin it rapidly using small continuous strikes to keep it spinning indefinitely with practicenHand spinner metal fidget ADHD focus toy ultra durable metal made high speed - 3 to 5 minutes help to relieve stress product description: 1. 3-5 minute average spins , colorful fidget spinner.(The actual spin time will be affected by age and strength of users) 2. High speed stainless steel bearing .These are removable 3. Great toy for fidgeters. Flick and spin for hours with just one or both hands 4. Great for anxiety, focusing, ADHD, autism, quitting bad habits, staying awake. Features: Diameter:2.7 inches(7cm) thickness:0.3 inches(0.8cm) note: 1.Please allows 0.1-0.2 inches error as manual measurement. 2.Bearing belongs to oil free type., If using a lubricant, it will make the bearings produce resistance. Please clean the bearing with alcohol regularly in case of dust which can affect the normal work of the bearing. Do not clean with water.3.The actual color of the product maybe different from the picture shown due to the colorful electroplating makes each one unique. Package included: 1 spinner warm tips: Case u0026 screwdriver not included.