• style farm tractor • 3mm MDF wood board CARB Certified and TSCA Title IV. • 155 pieces + or - • approximately 11" X 6" X 7" H assembled • LIMITED INSTRUCTIONS, NOT a model with detailed instructions ? • contains small pieces not suitable for young children • handcrafted with joy in USA * all measurements are approximate ** please note due to variance in lighting and in electronic media colors may vary *** we accept returns, please read shops' policies for additional information. contact us for further information or if you have questions. This is a puzzle, NOT a model! As such it does NOT include detailed instructions. A link to LIMITED assembly guidance will be on puzzle cover. The assembly guidance limited instructions are NOT our instructions, as such we can't vouch for the accuracy or helpfulness of them. If you wish to see the limited instructions before purchasing PLEASE ASK. We will be happy to send the PDF file. Wooden MDF tractor 3D puzzle comes disassembled. Puzzle was cut on laser cutter. tractor puzzle is made from "bare" 3mm MDF wood board. It has small pieces that ARE NOT suitable for young children. While assembling you may want/need rubber bands or like item to hold pieces in place. It needs glue in order to stay put together. It is a great puzzle for young and old alike. It can be glued for a "permanent" toy or decor. It can be painted too! Wheels on tractor move and can be played with when glued to "permanently" hold together. 3D farm tractor puzzle makes a great gift for guys, gals and of all ages. The discolorations are "burn marks" from laser cutting. They can be removed by lightly sanding or painting over them or left alone to add character! Laser cutting either melts, burns, vaporizes or is blown away by a jet of gas. Depending on the material, this process can create some potent odors. NOT TO WORRY, the odor dissipates! Puzzle includes tiny pieces that ARE NOT suitable for young children. If you lose, misplace, break, want additional parts (or whatever!) we can help you out! For the cost of shipping, we will send needed additional pieces. If pieces are missing or broken from shipping please let us know. Sometimes "things" happen! ? MDF stands for Medium-density fiberboard. MDF is an engineered wood product made by breaking down hardwood or softwood residues into wood fibers combining it with wax and a resin binder and forming into panels by applying high temperature and pressure. The MDF used in our puzzles is CARB Certified and TSCA Title IV.