Small train set is about 17 inches long. Large train set is about 34 inches long. Large Train; car, set and box: Cars are 7 inches long 3 inches wide and 4 inches tall. Set of 5 cars measures about 33 inches long. The box is 35 inches long 4.5 inches wide and 5.5 inches tall. This is a one of a kind design that children will love. The train set and box can be unfinished or finished with baby safe satin sheen lacquer. Have loads of fun with this hand made Wooden Toy Train Set personalized with your child's name. The wood box, 18 wheeler and the wood train set can be customized to have Black Walnut wheels and accesories. Customize and personalize your custom wood train for that one-of-a-kind Christmas gift. Wooden train sets with drive thru boxes with a 18 wheel tractor trailer is my favorite toy to make for the kids.