Bostik BluTack is the is the original reusable adhesive. It is permanently plastic and pliable (it can be readily formed into any shape) and each pack comes with strips for ease of use. Perfect for start playing with LiK without tools Clean, non-toxic and safe for children Holds up posters, cards, children's paintings, party decorations, maps, messages, etc Phones and calculators to desks, ornaments to shelves, photos in albums, screws to screwdrivers, wooden blocks during assembling, etc