Intelligence toys is China old and traditional intellectual game， has a long history， long fill do not decline， with mathematical principles and physical principle is very subtle， even if it is difficult to spell back apart in a short period of time， it is greatly small modelling test people's intelligence， do not believe you try!!Product Name: the color of twelve sistersMain material: Schima superbaSpecifications: 9*9*9CMNote: the yellow is the picture colorBy the 12 stick and 12 thick sticks combination， want to take the middle baby may have a bit of trouble Oh， twelve sisters made of wood and paint quality and safety and environmental protection， suitable for children over 5 years!