How to Use LEGO Bricks to Decorate a Room   You probably know from experience that LEGO bricks make a horrible carpet.  They are not soft and seem to have more sharp edges than what should be possible.  Sure it makes a nice security system, but is it really worth the pain?   Before you run and get the vacuum, you may want to look at the creative potential of these little toy pieces.  Plus it may save you from breaking the vacuum cleaner.  Remember why this building toy was such a good idea to begin with?  It has everything to do with the creative possibilities it…