I wanna tag up the walls of my dorm without having to wash/ paint over them later. Any suggestions?

Puddy is good . You know the puddy kids play with it is almost like play-do .I wanna tag up the walls of my dorm without having to wash/ paint over them later. Any suggestions?
You can cover the walls you want to tag with foam core, you can stick it up with 3M removable 2 sided tape. It will take paint well and when you move out you can take it with your or dispose of them.





Foam core or foam board can be found at art supply stores