Description: Materials: High quality wood Puzzle Style: Nine serial IQ Brain Teaser Toy Recommended age: 6 UP Wooden brain teaser condenses with traditional Chinese culture and they are quite interesting. Eco-friendly material and high quality. Very classic and quite interesting. Good for creative thinking and improve both your IQ EQ. Ideal gift for adults and childrenSpecification: Color: Multi-Color Size: L x W x H : 7 x 6.5 x 6.5 cm / 2.75 x 2.55 x 2.55 inchSize Chart: Size: L x W x H : 7 x 6.5 x 6.5 cm / 2.75 x 2.55 x 2.55 inchPackage Includes: 1 Set of Ming Lock ToyNote: WARNING: CHOKING HAZARD -- Small parts. Not for children under 3 years old Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you!