As the first to bring the excitement of a roller coaster to your child’s play space, Step2 roller coasters for toddlers are an exciting addition to any child’s indoor or outdoor play area. Now you can upgrade your child’s coaster with this track expansion pack for even more ride-on toy fun! The included booster step adds an additional 5 inches to the loading platform and the track expansion provides just over 3 feet of ride-on toy track. This set is compatible with the following Step2 roller coaster versions: Thomas the Tank Engine™ Up & Down, Unicorn Up & Down, Rapid Ride & Hide™ and Paw Patrol Adventure and Rescue Coasters. Made in the USA of US and imported parts.