"Growth-Tree" series building blocks, toy design for children. This product consists of three parts: building blocks, cards, and album design concepts: product design for children's early family education, so that children can learn knowledge while playing and understand the growth process design creativity of plants such as "big trees": The design of this toy is carried out through the building blocks, which have certain exploratory and fault-tolerant characteristics, and the design is carried out using the element of trees. Let children use this product in many forms of play. Function introduction: exercise children's cognitive ability, exploration ability, practical ability and painting ability by playing with building blocks. "Card" plays a basic understanding and initial impression for children to use this product, introduces the product and guides children to use it. "Picture album" is that children spell out many trees of different shapes through their own exploration in play, and record the paintings through the picture album.