Nothing tells me how to make one of cardboard.i got a piece of cardboard and colored one side with a dry erase crayon and it leaks crayon stick.the other side is fine.im putting it in a tall skinny locker.it already has one shelf but i have more bulky supplies with me this year how do i make a locker shelf out of cardboard that can hold lightweight stuff like a kindle, folders and textbooks?
См. статью: How to make a locker shelf?