1. Material: wood
2. Suitable age: 14 years old and above
3. Laser cutting, colorful
4. Dimensions:
- Small: 17 x 20.6 cm / 0.2kg
- Middle: 24.7 x 30 cm / 0.35kg
- Large: 30 x 36.4 cm / 0.45kg
5. Number of pieces: 100pcs / 200pcs / 300pcs
6. Ability training: creativity, hands-on ability, color cognition, attention, brain ability, endurance