Combining the action of racing with the fun of model railroading, this set delivers twice the fun!You'll get a complete train set with a powered diesel loco, two freight cars and matching caboose, plus, UL-listed power pack, and for easy set up, a 47 x 38" 1.19 x .97m oval of snap-together Power-Loc(TM) track with an eight-piece over & under pier set.For high-speed fun, there's also a complete racing set with easy to use Dura-Loc(TM) track that snaps together. The 42 x 48" 1.07 x 1.22m layout includes the awesome race/train intersection track where slot cars actually cross the railroad! Two slot cars, two speed controllers, UL-listed power pack and additional accessories round out your racing fun.Combined set up size: 51 x 57.5" 1.3 x 1.46m