1. The base groove design, humanized arc-shaped notch 2. Pull the box body, fold and carry, put the card, not easy to lose 3. Acrylic puzzle, solid wood base is resistant to fall and play 4. Ability training: logical thinking, hand-brain coordination, concentration, mathematical thinking 5. Applicable age: 3 years old and above 6. Size: 16.5x17.3x3cm 7. Material: wood + acrylic 8. Product list: game chassis x 1, game description x 1, acrylic blocks x 6, question cards x 60