Made of premium snap-together plywood by laser cut technology, precise and clean. The wood is eco-friendly, safe, recyclable, manufactured from natural materials and no glue is required to assemble them This mechanical 3D tractor woodcraft construction kit come with precut pieces on the stencil boards, easy to remove. Each includes a precise manual as well as photos with numbers marked in order, so that you can follow it to assemble the puzzles quickly and correctly It is a wooden DIY project kit for adults and teens to build. The building and assembling process can not only bring a lot of fun but also cultivate your patience and attention, awaken your desire to spend time mastering something great with hands, improve logic, problem-solving skills, also promote abstract thinking and imagination through the assembling process A wooden tractor model will come out after assembling, ideal for home decoration. A good way to spend leisure time with your child near the family fireplace at home or at the grandfather's old wooden table if parents and kids building together. Or just enjoy the quiet time alone, focusing and releasing yourself in peace for reducing stress and improving an overall mood This tractor model kit includes 392 wooden puzzle pieces, which will need 6-8 hours to build for 3D model beginners. The finished model size is: 29.2 x 16.2 x 17.2 cm. A great gift idea for birthday, Christmas, Valentines Day, Thanksgiving, and some other holidays to dad, mum, teens, men, women, DIY enthusiasts and those who have a passion for modeling. For boys and girls aged at 8 9 10 11 12 13 years old, it is advised to build with the help of an adult. Also hobbies for adults Great for display and collection. All our 3D wooden models are made in premuim quality natural wood and safe to play with. The building process is with education and entertainment value, while the end result is sturdy and ornamental, with collection value. If you want something different and vintage, then, this is a good choice. Laser Cutting Technology All the wooden pieces are cut by laser, precise and clean. Moreover, the built up model is firm and sturdy, good for long-term display and collection. Extra Wooden Pieces For some small and thin parts, there are some extra pieces for you to replace, in case you have broken them. Easy Understanding Drawings Manual We adopt the manual method with pictures and texts, which is easy for beginners to understand 3D assembled toys.