This maze is lovely and interesting. It's made of high-quality wood, which is healthy, environmental protection, without existent odor. Give kids an irresistible, hands-on way to explore and sort colors--with our skill-building maze game! It can develop kids' cognitive ability, color and shape cognitive abilities, hand-eye coordination, creativity, greatly enriched kids' life and improve the intelligence. It's suitable for kids 3 to 10 years old. It is a good toy for children. Please attention:Toy of a complete set of fully sealed design, beads can't out. The children can play safe, but you'd better accompany children over 3 years play together.