This extreme school glue stick is specially formulated to work on bigger, tougher projects than the average glue stick! It can be used for everything from arts and crafts projects to science fairs and school projects. The extra-strength formula works on a variety of surfaces including paper, photos, wood, craft sticks, foam board, poster board, cardboard and more. It goes on smooth, dries clear and is non-toxic, acid-free and photo safe. It also easily washes off hands and out of clothes. Recommended for ages 3 and up.