Mini Single-cylinder Four-stroke Evaporative Water-cooling Gasoline Engine Internal Combustion Engine 3D Printed Engine Model (KIT Version)Features:.High Simulation: The mini gasoline engine model, with the same structural design as real diesel engines, yet is a 3D printed plastic model..Classic Model: Designed with classic body lines, the retro machine restores a host of authentic engine details. Works in conjunction with a wooden base for easy display&control and stable operation..Dynamic Simulation: The pre-colored product, preparing to be assembled, is powered by AA batteries to turn on the speed control switch, simulate the operation and adjust the speed, which is able to fully reappear the mechanical transmission principle..Best Gift: The 3D printed model makes a stunning gift for children, lovers and families and an incredible decoration for Halloween, birthday parties, Christmas and various holidays..Notes: Made of high-quality PLA plastic, the model may show some layer lines that are required to clean by yourself due to 3D prints, which stacks material on top of each other or slightly draw wires. If you have any questions about the products, please contact us in time.Specifications:.Material: PLA.Product Dimensions: 10.2 x 8.4 x 11.5cm.Product Weight: 100g.Package Dimensions: 30 x 20 x 10cm.Package Weight: 200g.Packing: Bag