The Premium Wonder Blocks™ -60 piece set are created with strong, non toxic EVA foam. Largest piece is approximately 12"x6"x2", comes in primary colors: red, blue, yellow, and green. These blocks are quiet and safe for children, comes with its own storage bag for easy transporting.    The Wonder Blocks are not only for land but as a water toy too! Pieces float in the water for bath time fun!   Recommended for children ages 3 and up