Remote Controlled Car A Level Project

The SolidWorks files from my Design & Technology A Level project, feel free to download the files you need.
I would appreciate any constructive improvements, as feedback for my project. Unfortunately not all of the parts can be 3D printed, such as the engine, servos, exhaust etc.
I hope that I have included all of the files, but if some are missing please let me know. Also, if somebody could tell me the best way to upload a SolidWorks assembly with all of the associated SolidWorks parts I