?Product name: Making For 42096 technic porsche 911 rsr super engine and remote control upgrade kit, 30% increase in performance.? Tailor-made for fans, Can also be controlled by remote control and APP, APP 4-modes control, Including remote control mode, gyro mode , programming mode, path mode?Packing list:1. super XL engine × 22. super servo motor × 13. Remote control × 14. Rechargeable lithium battery × 15. Power cord × 16. AAA battery × 27. Metal Axle × 28.Clamping Building Blocks?Not include the Lego model, Only include the above upgrade kit. ? Let your model shine more dazzling light. Really upgrades the porsche 911 rsr model, totally cool. Feel the world of speed and technology?Because the factory batch is different, the color of the part may be different, but the function is the same. ?Grey Feather Technique Hall Quality Service:1. Please contact me in time after you receive the package, and I will send you an electronic version of the upgrade manual.2. If the supplied parts are missing, we will reissue it for you free of charge. 3. Please do not hesitate to contact us if you have any questions after receiving the product, we will reply you within 24 hours.