In my Junior year, we had learned more about coding.  My teacher had us partner up and gave us a box of small car parts with instructions. We had built the basic car it gives us and then had us make a code for the car. Throughout the year we made some ajustments and made it even follow a line based on if it detected the black line. By the end of the year our car should have been able to be controled by our phones through bluetooth. At the end of the year we ended up racing our cars against eachother.