Find the 16 Pack: Elmer's® 4oz. Washable School Glue at Michaels. Generations of school children have grown up with the #1 teacher brand of school glue, Elmer's Washable School Glue. Elmer’s washable no-run school glue is easy to use and stays where you put it. It is safe, nontoxic and washable, so accidental messes mean easy clean-up with the no-run formula!