What to do with 14,000 post it notes

we seam to have got in to pulling pranks on friends whilst they are away on honeymoon
so far when our friends got married we have filled one new couples front room with 3000 balloons floor to ceiling

Watch the balloon room wedding prank Hear


And now for the latest one 14,000 post-it Notes throughout the front room and kitchen 

watch the reaction of the happy couples return home hear

 Above the kitchen table with all the wedding gifts      Below the kitchen cupboards inside and out

 Below all the wedding cards on the shelf everything else on the shelf  including the shelf's even the underside