Completing the rail system with The Roundhouse which allows for storage of up to 3 engines. Each engine can be released separately by opening the door.Playtime Ideas:Children can play in groups and imagine themselves traveling to different destinations on different paths. The roundhouse acts as engine storage; children can move the train in the desired destination along the tracks helping to develop eye-hand coordination.Children will learn about storing and maintaining the train.To add more fun, children can play with other PlanToys Road & Rail set.