Our penn plax finding nemo treasure chest action air aerating aquarium ornament is a beautifully handcrafted stone powder and poly resin aerating aquarium ornamentr aerating ornaments do more than just blow bubbles they open close move and bring your aquarium to lifer the perfect addition to any underwater habitat this aquarium ornament is a replica of the same one found in the dentists fish tank in disneys finding nemor this brightly colored aerating aquarium ornament is sure to add ch