Description
- CHALLENGE: free the X from the O
- Does it look impossible?Just explore which pieces move and which don't
- Difficulty: 4/6 EXTREME. Medium resolution time: 30 min - 30 days
- Dimensions: 4.7 x 4.7 x 3.15 inch
- Packed in a Leonardo da Vinci box: 4.7 x 4.7 x 4 inch