Material: ABS
Size: 9*2.5*2.5cm
You can rolling it in any direction, or rolling it twice and then catching it, or rolling it faster
Suitable for everyone, as long as a few minutes a day can effectively help you improve your focus and hand-eye coordination
All product images are in kind, lighting, computer monitor differences result in chromatic aberration with the actual products. the final colors will prevail in kind.

Technical Details

Width : 0.75 cm
Height : 0.75 cm

Product Details

ASIN : B073NZBY1W