The Caboose body is made from 1/2" plywood, the tops is aluminum with wood down the center, the frame is all steel except for the wheels, they are made of phenolic resin compound with macerated fabric molded under extreme pressure. The trucks have working springs hand made from 3/16" square stock, the wheel bearings are made of delrin, they have been tested and will last a long time if properly lubricated. Weight, 122 lbs. Length, 60" Height, 30 " Width 17 1/4". If you need tracks we have them two, check our other Items in our ebay store. We do not keep caboose's in stock, So allow two weeks for delivery. If the shipping seemes out of line, you can call Toll Free 1-866-529-6877 for more help.