Set includes: frozen general locomotive and tender, frozen boxcar, olaf and sven chasing gondola, frozen caboose, eight pieces of o36 curved fastrack, two fastrack 10 straight track sections, one lionchief fastrack terminal section, one plug-expand-play power lock-on section, wall-pack power supply, lionchief remote for locomotive. Lionchief remote features & set features: forward and reverse speed control knob, three buttons to activate whistle, bell, and special announcements, requires three aaa alkaline batteries (not included). “Set length: 47″, minimum curve: o31, recommended age: 10+ years.