Battery-powered toy train with blue colours, white graphics and simple battery-operated functions. Simply tap the arrow on the front of the engine to start and tap again to bring it to a stop. Connect the Cargo Battery Engine to any BRIO World vehicle and wagon via the standard BRIO magnet coupling on the rear. Real-life based railway play helps children to understand and learn about their environment in a fun way, whilst also developing fine motor skills. For children aged 3 .