MTH: 30-5243 RailKing Transylvania Traction Co. Bump N Go Trolley with LED Lights O Gauge Introduce someone you love to model railroading with the magic of a Bump-n-Go Trolley. The colorful trolley features a lighted interior, metal wheels and gears and a long-lasting motor. The unit operates on any O Gauge track system and features an Automatic Bumper Reversing Mechanism (ABRM) that changes the car's direction when it hits a track bumper. Features: Intricately Detailed ABS Body Metal Wheels, Axles and Gears Colorful Paint Scheme Precision Motor Lighted Interior Colorful Operating Body Clad Leds Moveable Power Pole Automatic Reversing Bumpers PRODUCT SPECIFICATIONS Gauge: O Gauge Power: Electric Min Curve: O27 Dimensions: 8 1/4" x 2 3/8" x 3 1/3"