Description: The building blocks made of beech wood have hard texture, strong impact resistance, toughness and fall resistance, and are not easy to deform and crack. The pine material storage wooden frame, the storage blocks are not easy to lose, and guide the baby to develop a good storage habit since childhood. Using the scientific soaking and coloring process, the wood grain texture of the wood is retained, the color is uniform, and the surface of the building blocks is frosted, making it easier to stack. Hand polished meticulously, smooth corners, to ensure that the building blocks are free of burrs, and care for the baby's immature hands. Simple rainbow blocks can build hundreds of creative and interesting shapes to exercise baby's hand-eye coordination and thinking skills.18 building block particles, 18 different colors of building blocks stimulate the baby's visual development. Specification: Size: Storage Frame: 15.4x15.4cm/6.06x6.06inch Side Length of Single Building Block: 4cm/1.57inch Material: Wood Package Includes: 18 Pcs Building Blocks 1 Pc Storage Box Note: 1. This is not infant toy , please take away from kids to avoid eating. 2. Please allow slightly error due to manual measurement. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 4. Wish you a wonderful on-line shopping!