This is the Polar Express Steam TrainSounds Tender from Lionel. Suitable for Ages 14 & Older. FEATURES: Compatible with any O scale train equipment TrainSounds sound system with steam chuffing, steam whistle, bell, squealing brakes, and operator-controlled multi-part crew dialog Conventional transformer control Operating coupler on rear of tender On/off switch Manually adjustable volume control INCLUDES: One Polar Express Steam TrainSounds Tender REQUIRES: O Scale train equipment Adult supervision SPECS: Scale: Traditional O gauge Minimum curve: O-27 Length: 8" (203.2mm) COMMENTS: Due to small parts that could cause a choking hazard please keep away from children 3 years of age and younger tlc 2/9/12