SOFT FOAM: Child-friendly materials provide you with peace of mind and your child with a soft, low-impact surface to toddle, tumble, and play EASY MAINTENANCE: Lightweight blocks resist stains and wear, thanks to an easy-to-clean vinyl surface that wipes clean with a damp cloth CERTIFIED & SAFE: Enjoy quality play with low-emission, child-friendly materials in accordance with federal safety standards CHILD DEVELOPMENT: Bright, multi-colored surface and shapes stimulate your child's attention and promote the development of their gross motor skills, coordination, and color recognition 4-PIECE SET: Watch as your child stacks and swaps four different shapes to create a tiny track to climb and crawl across for hours of fun