2nd Year Project Idea

sir.. actually i am in 2nd year engineering(i have just entered in 2nd year) and i want to make some project as in i want to work o something in my vacations. so can u please suggest me some idea about it.. and also i want to also present it in my college festival's event i.e., TECH EXPO.
please suggest some..😕
m really very confused wid wat to proceed..