Ninja Spinners use high grade 10-ball (Si3N4 or 608) small 188 stainless steel bearings.With an average spinning time of 2 minutes, this stress-relieving fidget spinner delivers. Four ball-bearings are covered by a cap on each side for finger placement. Learn tricks or set it on a flat surface and watch it spin. Tiny parts make it great for anyone aged 4 and up.
Price is for single item. Multiple items may be shown. Each sold separately.