Fullsexy Flow Ring Kinetic 3D Spring Toy Science Educational Interactive Cool Toys for Kids Teens Adults (2 Pack Multicolor) (np1) All hand-made a unique.Interactive and three-dimensional performance:Rolls along your arms and can be passed from one arm to another,also can pass to a friend,give us stereoscopic sensation.Amazing kenetic spring - incredible visual toy. 5 inch diameter flat. Pops open magically!Good for stress relief:It is a genuine mesmerizing toy,which can activate your creative side and reduce stress when you feel so stressed,so that make you feel relaxed. Great educational toy for math and science students.Easy to carry,contract and open so easily.Made from a single strand of durable thin metal,you can carry with you wherever you go. Fashionable:The flow ring opens like magic,let a person feel very novel and fashionable.As long as he start to play,he won't want to put it down. Package Contents: 2 Pack Multicolor Flow Ring Kinetic 3D Spring Toy for Kids and Adults