■Smooth Rotation Performance
Optimized internal structure enhances corner cutting (ease of rotation at corners).
Minimized friction and stress-free operation have been achieved.
■Ideal for Brain Training and Education
A brain-training and educational toy that can be enjoyed by a wide range of ages, including improving children's concentration and logical thinking, as well as preventing dementia in the elderly.
■Product Details
2-block × 2-block × 2-block
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