This mat and block set is designed for children to match the color of blocks to the color square on the mat. Patchwork Crawly Mat offers colorful hygienic, vinyl surface for many activities. 1" thick mat is foam-filled for cushioned activities. Floor space measures 57 square inches. Colorful Toddler Baby Blocks can be used to mix and match with the colorful squares on the mat. 5-1/2" cubes are made of foam and covered in vinyl. Set can be used by any age. Image shown includes two sets of 12 Toddler Baby Blocks.