The Green Toy Stacker takes a classic toy and makes it safer and more playful. The eight colored nesting pieces stack easily, and can stack in any order. Most importantly, the Green Toys Stacker is safe. Its unique design has no center post. No BPA, PVC, phthalates, or external coatings. This Stacker is made in the USA from 100% recycled plastic milk containers which save energy and reduce greenhouse gas emissions. Packaged using only recycled and recyclable materials and printed with soy inks.