Crayola School Glue has a washable, no-run formula. The 4-oz. bottle features a "no clog" tip. This glue stays where you put it! But, if you do happen to put it in the wrong place, dried glue cleans up easily with soap and water. Crayola School Glue is safe and nontoxic. Recommended for ages 3 and up. Crayola School Glue is made with a washable, no-run formula insuring that all school projects are kept clean, and as precise as you need it to be. The bottle features a no clog tip, so that every time you go to use the glue, it's so easy! School Glue stays where you put it, so that there is no unwanted glue all over your paper. But just in case some glue ends up where you don't want it, with just a little soap and water the glue is gone. Washable School Glue is perfect for any school or just for fun projects. Recommended for ages 3 and up. All Crayola products are non-toxic and safe for children.