Just stumbled on these somewhere. Attachment 18387 Attachment 18388
Mega expensive but look so cool.
They don't live very long though unfortunately.
Originally Posted by dany2010 Mega expensive but look so cool. You can cheat somewhat and get glass jellyfish. Still expensive to set up (they are genuine, hand-crafted, finely-detailed works of art), but don't take as much care and feeding.
Put some clingfilm in a goldfish bowl.