The Tumble Town Foam Blocks – Candy are great for tumbling, climbing and active imaginative play! The foam blocks allow kids to create their own fun adventures. The stackable 6-piece set is made of a soft PU foam which is comfortable, durable, dense, stain resistant and easily wiped clean. The material is CertiPUR-US certified foam and does not include any additional phthalates. The blocks can be stacked in endless configurations, so the fun and creativity never has to stop! Building with the blocks also help kids develop gross motor skills. They are also lightweight which makes it easy for toddlers to carry. For ages 9 months-3 years. Radio Flyer is a force of good in the world because we make long lasting products that inspire active play, bring smiles, and create warm memories that last a lifetime. Now it's official, we're a Certified B Corp!