Accumulation does not help develop intelligence, training Children's hand-eye coordination, the arrangement of blocks, joint, ring, symmetry, etc., are good for children's intelligence. When building blocks, children must involve proportion, symmetry and other issues, which is conducive to the early cultivation of children's mathematical concepts. The product is not conducive to children's imagination, and the comprehensive use of a variety of different kinds of building blocks to build a physical object. It is conducive to their imagination and creativity.