This set has everything you need for a fun aquarium - and you never have to change the water! There are 12 designs that all fit the 4x4 hoop.
These have been optimized for use with mylar and they just glow with that extra sparkle!
If you haven't used mylar yet, check the information here:
These would make a great summer wall hanging or would be lots of fun on a beach towel or tote.