I loved this idea to recycle keyboards keys that no longer work and pencil stubs that can no longer be hold to be used. I don't fancy very much those projects that include quite new colored pencils or crayons that can still be used, for instance. This surely is reinventing with materials that would go to waste for lack of utility. Have fun with these creative options to frame your pictures!
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Picture from: http://bellartatelier.blogspot.com.br/2014/03/10-ideias-de-reciclagem.html