This BRIO 33599 Rechargeable Engine is a sleek rechargeable locomotive designed for hands-on train play and smooth integration with wooden railway sets. Simple forward-and-reverse motion and a bright headlamp make it easy for children to steer adventures across tracks. Charging is plug-and-play: connect the included mini USB cable to any standard USB socket and wait for the red light to stop blinking to know the engine is fully charged. No need for disposable batteries means less downtime and more continuous playtime. Age Recommendation 3 and up, this compact engine delivers reliable performance and a premium look that appeals to both children and parents.