5 colors (red yellow blue purple green) fidget spinners included. Each of them has a a high speed bearing in the center to ensure the smoothest rotation and consistency. 6 deformable chains around the spinner to increase centripetal force and spinning time. So these finger spinners can spin for several minutes. Each fidget toys has six deformable chains. Each of the links can pivot and lock into 5 positions, you can create any shapes you want, such as various shapes of spinners, robots and even mobile phone holders. It can also exercise your kid’s hands-on ability, hand-eye coordination and logical thinking ability by changing the shape of the toys. It can effectively reduce stress, anxiety and can increase focus and attention by spin the fidget spinners or change the toys’ shape. This is very helpful for children with energetic, obsessive-compulsive disorder, ADHD, autism and adults with high stress and anxiety. Such a creative sensory toy is very suitable as birthday gift, party bag fillers, party supplies, party favor, Christmas gifts, wonderful incentives classroom prizes ect. These toys are small and can be put in your pocket. Whether you are in the office, school, or on the bus or airplane, you can have fun with these toys anytime, anywhere. The four-pack design also allows you to share your happiness with your family, friends and classmates.