Teching V8 Mechanical Metal Assembly DIY Car Engine Model Kit 500+Pcs Educational Experiment Toy Shipping Note: this engine is in stock now. All the order will be sent within 1 day after the order is placed. Once your order is shipped or available for pickup, we'll send you an email, which will include your order number and a link to the tracking. Any problems pls email me directly service@stirlingkit.com Features:Story Origin: To show the respect, this Teching v8 engine is based on the ideas of the the first 8-cylinder engine in the United States, letting more kids to know more about how it works. Challenging but funny: After assembly, the engine size is about 172 x 198 x 180mm; It consists of 500+pcs parts and comes with a paper English instruction book. It takes about 5hrs to build it. So it's a great time to enjoy the whole process of assembly from small parts to complete products, an charming V8 car engine model. Exquisite Model Details: This V8 engine model kits are mode of highly textured metal parts. The alloy golden color make it more real. While Building, you can know more about the wonderful mechanical engineering world. Simulation Model: The V8 engine can be driven by a motor, which is more realistic and interesting. When you observe the engine running process, it's not only an exquisite decoration model, but a simulative dynamic model that can simulate the operation of a real car engine. Excellent Steam Toys: It's a great time for parent-child interaction because parents can build it together with their children; Children can learn more about science and industry. It can't only increase their knowledge and imagination, but also develop mental and logical thinking, and develop innovative and creative abilities. Perfect Gift Choice: The products are well-packaged in high-end metal gift boxes, which are the best gift choices for friends and relatives for their birthday, Christmas days, Thanksgiving day, New Year etc.. And it's a beautiful collection for home decor, coffee shop, office etc.. Material: Stainless steel + Aluminum alloy, Color process: Anodized. Recommend Age: it's suitable for age 12+ people ,Type: Assemble toys ; Subject teaching aids ; Decorative Arts Note: This engine powered by lipo battery, Not by Gasoline.how  to connect the bluetooth? https://www.youtube.com/watch?v=eLcS-kqvj0kSpecifications:.Color: As Shown.Material: Aluminum Alloy + Stainless Steel.Coloring Process: Anodizing.Number of Parts: 500+pcs.Lithium Battery: 3.7V 500mAh.Charging Voltage: DC 5V.Charging Time: 2 hours.Usage Time: 1 hour.Assembling Difficulty: 5 stars.Assembly Time: About 5 hours..Product Dimensions: 17.2 x 19.8 x 18cm.Product Weight: 2550g.Package Dimensions: 34.2 x 24.2 x 15cm.Package Weight: 4500g.Packing: High-end Metal Gift BoxPackage Content:.1Set x V8 Engine.1Set x Installation Tool.1 x User Manual