Các tính năng và lợi ích
- Award-winning puzzle designed by Bram Cohen.
- Engages adults and children aged 6 and up.
- Difficulty level rated at 5 out of 6.
- Compact size: 75 × 119 × 45 mm and weighs 156 g.
- Great for improving logic and problem-solving skills.
- Perfect for challenging your mind and hands.



