This Lionel Thomas and Friends Percy Locomotive features distinct frequencies available for different LionChief locomotives allowing for multiple engines to run at the same time. This Lionel train set features forward and reverse speed controlled knob. Remote for each Thomas and Friends set is uniquely color-coordinated with the locomotives for convenience and easy operation Run more than one locomotive on the same track Distinct frequencies are available for different LionChief locomotives allowing for multiple remote engines to run at the same time LionChief locomotives can operate at the same time as any Legacy or TMCC-controlled engine on the same 18 volt-powered layout and track Electric locomotive controlled by remote Uniquely colored remote controller with forward and reverse speed control knob, whistle horn, bell, and announcement buttons RailSounds RC sound system with steam chuffing and background sounds, whistle horn, bell and user-activated announcement Moving eyes on the locomotive, powerful maintenance free motor, traction tire, removable roofs and three removable faces Traditional O gauge train set Made by Lionel Trains Model: 6-18771 Made of Plastic, metal Dimensions: 9 inches long x 7 inches wide x 5 inches tall Batteries: 3 AAA batteries (not included) Recommended for ages 3 years and older Color: Multi. Gender: male. Age Group: toddler.