Feature●Made of non-toxic harmless resin, Durable, nature, safe and eco-friendly.●When you connect the air pump tube,it can make air bubble,your fish can have fun with the air bubble.Air forces the giant clam to open revealing the pearl inside.●Change your aquarium into a beautiful scenery,create a natural and natural living environment.●When it is connected to oxygen mercury, shell will open and close.●Pressure control valve recommended.[Beige]
[Blue]
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