SoftZone Big Blocks stimulate children's creativity and stacking skills as well as promote gross-motor skill development. Soft, sturdy, polyurethane foam shapes are covered in reinforced, phthalate-free vinyl to create a comfy and stimulating learning environment. A set includes seven big, bright and chunky blocks in three different shapes and sizes. All three shapes are 8" high. One shape measures 8" wide x 8" deep. Another shape size is 16" wide x 8" deep. The other shape is 16" wide x 16" deep.