1It is conducive to improving the parent-child interaction and promoting the communication and interaction between parents and children. 2This puzzle toy is made of environmental protection materials, healthy and non-toxic, no peculiar smell, and can be used at ease. 3It has no edges and corners, the edges and corners are polished smoothly and won't hurt the baby accidentally. 4It can effectively promote the development of children's intelligence, exercise their hands-on ability, thinking ability and problem-solving ability. 5Training children's thinking ability and cognitive ability is very suitable as a small gift for children.