Easily create school projects crafts decorations and more with our School Glue two pack including Elmer s School Glue Gel and Disappearing Purple School Glue Sticks. Specially formulated to be easy to use and clean up these non-toxic glue sticks wash off hands and out of clothes. Elmer s Disappearing Purple School Glue is purple when first applied so it s easy to see and then it dries clear. School Glue Gel starts out colorless and also dries clear with a formula that is easy to apply. Create and have fun with Elmer s!