This 3D model kit contains 237 wooden pieces for building a Belaurs 82 tractor model with rubber drive. Recommended age: from 14 years. Number of pieces: 237. Model size: 21.8 x 11.8 x 15.5 cm. Easy assembly without glue (pliers and a cutter/utility knife are recommended). Contents: Eco-friendly birch plywood, rubber bands, wax, toothpicks, and a step-by-step assembly instruction manual. Material: Wood, rubber, wax. Tip: The model can be additionally painted with wood colors (not included). However, it is important that the joints are not glued with dried paint. Please note: Assembly requires some manual dexterity, as the delicate parts must occasionally be joined with controlled force. If handled too carelessly or roughly, individual parts can be irreparably damaged. As with other model building parts, it is essential to carefully review the assembly instructions, use less force, exercise more patience, and proceed precisely. Manufacturer's notes: EWA - Eco Wood Art designs unique and creative construction kits with loving attention to detail and also produces them in-house. The eco-friendly mechanical models, decorative puzzles, and toys made from renewable birch wood consist of plywood sheets. The respective sheets are created using laser cutting and are sometimes also decorated. The individual parts can be easily separated from the plywood sheets and assembled without the use of adhesives. The mechanical functions are realized with rubber bands (e.g., wind-up motors) or gears, bringing them to life with movement. Those who wish can even paint the objects with wood paint, making them even more personalized. Warning: Not suitable for children under 3 years, as small parts may be swallowed.