Explore the world of farming with this detailed 3D mechanical model of a farm tractor. It features realistic details such as opening doors, turning front wheels, and a visible piston engine under the hood. The wind-up rubber-band motor allows the tractor to move forward and reverse, making it an interactive and fun project for all ages. This eco-friendly 3D STEM model is designed for assembly and customization at school or home. Includes clear, colorful step-by-step assembly instructions. Built with sturdy construction and high-precision laser-cut plywood for amazing detail. Comes in an all-inclusive box for self-assembly.Details:Natural woodPackage measures 12.4" x 6.8" x 8.1"Made of sustainable plywoodRealistic features: opening doors, turning wheels, visible piston engineWind-up rubber-band motor for forward and reverse movementNo glue requiredIncludes assembly instructionsCandle wax, sandpaper, and rubber bands included when relevantHigh-precision laser-cut plywoodTotal 358 pieces puzzleRecommended for ages 14+