Wall assembly track building blocks come as a set of 80 pieces in a bagged box, designed for young children aged 0 to 3 years. These building blocks are made for creative construction play, allowing little hands to assemble tracks and structures on a wall or flat surface. The set includes 12 pieces of wall assembly track pieces, offering a hands-on activity that supports early developmental skills through stacking and connecting. This product is sold wholesale by the box.