Maple Landmark NameTrains Rainbow Engine. This rainbow striped locomotive is perfect for any young engineers’ peace train and a fun addition to any collection. The NameTrains Rainbow Engine is crafted from local sustainably harvested native maple hardwood and is compatible with our and other wooden railway systems. Measures approximately 2.75″ long by 2″ high. A strong magnet on the rear of the engine allows you to attach to your name or make a special train. Non-toxic finish.