http://www.sacosta.org/rfid/
http://www.xtec.cat/~jfonoll/
http://www.xtec.cat/web/recursos/dnee/programari/rfid/
www.pictogramas.org
http://www.kinecteducation.com/
www.makeymakey.com
http://info.scratch.mit.edu/es/Scratch_1.4_Download
http://scratch.mit.edu/projects/editor/?tip_bar=getStarted