High on my list of Useless Things I Still Want Even Though They’re Useless is a Jellyfish Aquarium.
Create a calm, tranquil environment in your home or office with our unique Jellyfish Aquarium. This maintenance-free environment features two lifelike artificial jellyfish, illuminated by 18 LEDs that change color with five different effects. Simply fill the tank with water, add the jellyfish, and turn it on.
Another on Amazon:
And yet another (slightly less expensive despite having more jellies):
I fear I would be transfixed by this for absurd amounts of time…but no complaints there.
Browse other posts involving jellyfish here.