Teachers need a timer to force the students to complete a task in a timely manner. You will have to enter your students name in manually or you can copy and paste from email. User can pick multiple students by tapping screen quickly. A time picker is available with many different preset time limit. This is a timer and a random student picker in one, so if you don't want to switch between apps to pick a random student and a timer, then this app is going to be useful.

To enter names, drag icon on top right and follow the same format. You can save 7 different sections or periods.

follow this format give a space behind the period to properly display name. It doesn't have to be Period1 , you can give it a short name depending on your device size.

Period1
name1@@
name2@@
name3@@
name4@@
name5@@

and you can have an unlimited amount of names.

To change to different period press the title.
To Cancel timer, press top left icon.