Description
1. Made of environmentally friendly ABS material, colorful, smooth and odorless
2. 4 layers of 6-column linkage space, 18 colorful balls, rotating one layer to link multiple layers, which is challenging
3. Press and hold the top and bottom to rotate it, exercise finger flexibility
4. With a lanyard, it can be used as an accessory hanging ornament, and it is also convenient for storage
5. Dimensions: 5.6 x 6.8 cm
