1A small model that stimulates a child's interest in learning and curiosity. 2Improve children's hands-on ability through dismantling and assembling 3The use of ecological, non-toxic, pollution-free wood materials, safe to use. 4Small toys can arouse children's curiosity and scientific and reasonable set-up and other characteristics received 5More and more parents' favor, becomes the parent educates the child's helper. 6Such as developing children's cognitive ability, observation ability, memory ability, comprehension ability, coordination ability of various parts of the body, etc.