[Metal Bicycle Chain Toy]Gear link bicycle chain design, stable rotation. High quality metal body makes it more durable without any extra noise and two precision bearings. This provides super smooth rotation and reduced friction rotation [Multiple ways to play]The mechanical-filled double-layer chain can be used on smooth or rough surfaces, with two fingers holding the bearings to push the chain forward and backward, and the chain will also roll. It can also be used as a gyroscope to rotate between. Can also be used as a decompression toy to turn the direction. [Sensory Stress Reliever Toy] Great for releasing anxiety, relaxing, staying awake, quitting bad habits, stopping rolling fingers, spinning pens, biting nails or picking nails. Helps you to calm down and stay focused during stressful times and unleash your inner creativity and imagination. Especially for people with additional needs such as movement disorders, autism, Asperger's and ADHD. [Perfect Gift] Our manual spinning toy is perfect for a child's birthday party gift, a *gift for Christmas, Thanksgiving, Halloween, parties, carnival parties, Christmas stocking stuffers, or as an early recovery gift. [Play Anywhere] Size: 6 * 3 * 1.2cm. small and lightweight, easy to carry around. Can be played in cars, aeroplanes, restaurants, camping, schools, doctors' offices, etc