Features: Experience the thrill of assembling a realistic 3D engine model with our high precise part kit, design to replicate authentic engine structures for engaging hands on learning experience. Crafted from nontoxic metal materials, this kit ensures easy assembly and long terms durability, making it a safe choice for enthusiasts and collectors alike. Ideal for car enthusiasts, engineering students, DIY hobbyists, and anyone look to enhances their manual skills through detailed model construction. Perfect for family entertainment, educational classrooms, tech exhibition, or as a unique gift that stands out in any collection. This 3D engine model kit not only offers a rewarding building challenge but also serves as impressive display, showcasing your passion for mechanics and innovation. Specifications: Component:Metal Package Size:Approx.116x75x45mm/4.6x2.95x1.77inch Package Includes: 1pc 3D Engine 58pcs M 2.6x8mm Screws 2pcs M3x22mm 16pcs D4-2 Magnets 4pcs D7-L12 Steel Spring; note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.