Please allow 6-8 weeks for delivery. All products are 1/25 scale unless otherwise noted. All products except for the aluminum products are 3D printed. We offer machined aluminum wheels and a center hub set. Our 3D printed products are made from PLA/resin filament, which is harder and stronger than kits purchased from hobby shops. They require a little more filing, sanding and body filler. The inside of all our tanks have supports for durability, they cannot be cut. If a custom length is desired, please contact us before ordering. We are selling bodies only, the balance of the build has to be scratch built by using after market parts, Plastruct, Evergreen or kit bashing. 3D products received may vary in color. Not all are the color pictured, as you will add your own primer and paint. Also, some tank trailers and trailers may come in several pieces to be assembled by the builder. We include instructions with diagrams and suggested products to use with each tank/trailer. Please feel free to contact us with any questions, when doing so, leave a detailed message and we will respond ASAP. Text or email us pictures of your finished build. We would love to share them on our sites! Thank you and enjoy your build!