Funfetti cake mix, vanilla buttercream, fondant cover, gum paste base and wheels, 5mm headlight, 4 criss-cross alternating 3mm red led lights run on two 9V batteries. Note: These cake mixes settle about 3/4 inch over 3 layers. This is a large cake, base is 24" long by 15" wide, train is 3 layers tall at highest point, 6" wide by 21" long.