S0cceRcat23 and I have continued our research and found a few more examples of people who have done projects like ours. Below are the links.
https://www.youtube.com/watch?v=4xa_NImUFV0 This person used a CD to make a very powerful bubble machine
https://howtomechatronics.com/tutorials/arduino/how-pir-sensor-works-and-how-to-use-it-with-arduino/ This article has good information about Arduino motion sensors
We have also started to design our bubble machine. We have started a list of materials we will need to build our project.