FF210
Our design blocks lay a foundation for STEM skills! Kids build towers, bridges, buildings and more with chunky 3-D blocks in 4 different styles and colors. The blocks are precisely related in size, so mixing and matching shapes is a breeze. Plus, the builders look like construction girders—perfect for imaginative play! You get a total of 50 plastic builders—including 36 rectangular builders in 2 sizes, 7 triangular builders and 7 octagonal builders. The largest block measures 6".