Getting creative is easy with these glue sticks, which go on purple and dry clear to help you clearly see where adhesive has been placed. The washable, nontoxic formula is safe for kids and bonds to paper, cardboard and many other surfaces. A great choice for school projects, crafts and more. Creates a permanent bond on paper, cardboard, display board, foam board and other media. Washable formula allows easy removal from hands and clothing. Goes on purple to help you see where glue has been applied, then dries clear to blend seamlessly with projects. Nontoxic for safe use.