Ways to clean dry erase boards. You can use Febreeze to clean a dry erase board that just won't erase (because the ink is very dried on) . Spray the board and wipe, it also helps "recondition" old dry erase boards.
kids write 3 things about themselves on a sheet of white paper. They do not write their names. Wad it up and on your command, have a "snowball" fight. At the end of 1 minute, each student grabs the nearest snowball and tries to guess who wrote it.