1. Material: ABS 2. Function: cultivate childrens cognitive ability, thinking ability, practical ability, and improve parent-child interaction 3. Number of blocks: 16 4. Weight: about 330g 5. The delivery comes with a game manual, which sets up challenges from simple to complex non-passing levels 6. Smooth appearance without edges and corners 7. With stickers, paste manually 8. Multiple play methods, free choice
