My favorite the invention presented in the class is Autonomous Shower Machine. The purpose of creating Autonomous Shower Machine is make it easier to take a shower. showering is an activity every day. Autonomous Shower Machine can be help showering is easy in every life. Just press the button. The system will work automatically and then we are finished within a few minutes. I like the invention because Autonomous Shower Machine saves time in the shower, the shower is faster and comfortable when I got up late.