Once you get code to work for one part, it is usually easy to add it into another code that also works.
Today your teacher will show you how to copy and paste code to manipulate code to work with additional arduino parts. Teach them how to use the code library and website to self build what they want and add it to their robot. Link to https://www.arduino.cc/en/Tutorial/BuiltInExamples
(differentiation day: student that are behind get time with teachers to troubleshoot. Students that are ahead get to look through the supplemental lessons or book manual and learn how to do more at own pace.