About The Children"s Factory Kirkwood, Mo, 1982 - The Childrn"s Factory was created in the attic of its founders. Their vision was to create a soft play environment where children could play safely. They started with a basic 3D animal shape perfectly sized for a young child. From there, other products were developed and the company quickly grew in size. Soft, safe, creative play is their passion. Their products are designed towards ASTM standards and their materials meet or exceed the CPSIA requirements. * Three foam covered with expanded vinyl * Perfect for crawl through, flip over and nest in * Recommended for 6 months to 2 years of age * Meets ASTM standards and CPSIA requirements * Square tunnel dimensions: 20L x 20W x 15H in.