The Toddler Soft Play Building Bricks are great for Physical development Communication and language development Numeracy development Creative and imaginative play The Toddler Soft Play Building Bricks are great for : Physical development Communication and language development Numeracy development Creative and imaginative play Set of 12 x 120mm colourful soft foam cubes covered in our wipe clean, waterproof, phthalate free, latex free fabrics.