“Children likes playing with toys.but they don’t know the science behind it. how the commands work. besides a toy its an project given to 12th non medical students. its an good science exhibition project also.I have made an smart car works with smartphone. I have given you the steps on how you can make it.. my future planning is to modify it and add ultrasonic sensor with infrared sensor so it also work with remote. I will make a video also shortly. tell me also who have made it. please like and comment. if any problem comment below I will guide you”