Description: Geometry teaching aids and building blocks to help children learn better Sensory building blocks, allowing children to understand geometric shapes Log material, zero paint, no additives, safer for children Finely polished, the surface is smooth and burr-free, it will not scratch the baby's hand, mother is more assured Children's educational building block toys, the best gift for children Specification: Material: Wood Size Chart: Storage Case Size: 19x15x7cm Package Includes: 12 Pieces Wooden Blocks 1 Piece Storage Case Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.