Colorful like Rainbow,Plastic in rainbow colors is great fun.Stretch out this large spring and watch it will snap right back.They also make cool sounds when you move them. Perfect for gifts or party favors!An endless amount of entertainment watching these springs hop down a staircase,or just simply in your hands. It is also a pressure reducer,pen holder,note holder and artwork.You can move the spring back and forth between your hands,Reduce some of the work pressure today. Size: Approx. 4.2 * 4.2 * 4.2 inch/ 10.7 * 10.7 * 10.7 cm (H*L*W).