Disappearing Blue Washable Glue Stick rubs on blue so it applies visible and then dries clear. It spreads easily and dries wrinkle-free for high-quality crafts and projects. Handy twist-up applicator makes advancing the glue fast and simple for children. Washable design cleans easily from most skin and clothing. Odorless, nontoxic formula is safe for use by young learners. Glue stick is perfect for use on paper, photos, fabrics and more.