This one is a swiffy animation created with Google Swiffy the original flash file, made by my daughter 11 or so years ago when she was in primary school is below. Swiffy works in all Webkit browsers such as Chrome and Mobile Safari. Putting the swiffy file in an iFrame seems to make it work in FF too, it coverd up the swf when put on the same page.

this is the original swf.