From the box:Self-correcting Adding Fun--Thomas the Tank Engine rolls down the tracks bringing an exciting new numbers game for children. Come and play with Thomas and his friends. You'll learn your numbers and how to add them, too!To Play: Spin the spinner to choose the numbered pieces that fit in your train. When the train is completed, the pieces add up to the number on the end of the car. Verying levels of play make the game fun for beginning and advance players.Skill for Young Players: Beginners can play by recognizing and matching numbers. Advanced players will understand that various combinations can be used to add up to the number on the end of the car. All players learn important social skills: taking turns, sharing and respecting others.Contents:4 Playing boards 24 Number pieces 1 Spinner - BoardGameGeek