This set of Three-dimensional Building Books contains 400-800 building blocks, with a total of 23.5cm in size (18.7cm x 18.7cm). Transform ordinary playtime into a stimulating and creative experience with this set. The Three-dimensional Building Books contain an impressive range of 400-800 blocks, each measuring 23.5cm in size (18.7cm x 18.7cm), allowing children to build and learn in a three-dimensional space.
