Decompression Rotatable Ring Magnetic Force Useful Tool For Pressure Reduction $ 5.18 Product information: Ability Training: emotion, intelligence development, crawling, hands-on brain, grasping Color: A (inner ring random color),B (inner ring random color),C (inner ring random color) Applicable age: children (3-6 years old) Toy material: Plastic Packing list: Ring * 3 pieces Product Image: