How about five people and one guitar? Five people *playing* one guitar!http://www.youtube.com/watch?v=d9NF2edxy-M (Thanks to a heads-up from Christie.) Or a morphing octopus?http://www.youtube.com/watch?v=t-LTWFnGmeg&feature=related That can turn into coral!http://www.youtube.com/watch?v=p8UMBoyMScA (Thanks to a heads-up from Matt.)