3 years & up. Take care of all your classroom adhesive needs with this safe . This non toxic, non-flammable white glue is a great option for collages, papier-mache, and more crafting projects! The glue sticks bond to many porous and semi-porous materials such as paper, cardboard, wood, and photos. Store in a cool, dry place to make the glue long lasting. Available in 1 gallon, 7.63 ounces, 4 ounces, or 4 gallons.