Amazon.com: BRIO World - 33594 Two-Way Battery-Operated Engine | Train Toy for Kids Ages 3 and Up : Toys & Games
Amazon.com: Wood City Battery Operated Train for Wooden Train Track, Electric Locomotive Train Set with Powerful Engine Compatible with Thomas, Brio, Chuggington, Bullet Train Toys for Toddlers 3 4 5 Year Olds :
Amazon.com: Battery Operated Train Set for Wooden Train Track (w/sound & Magnetic Connection), Powerful Engine Action Locomotive Train Set Fits Brio, Thomas, Chuggington Wooden Tracks, Train Toys for Toddlers 3Y+ : Toys