DIY // Fishie Bag
Sometimes, a simple piece of decoration will do the job perfectly. check http://diyandcraftsidea.blogspot.com/ for a huge list of diy and crafts ideas
Create a model of Ocean Zones (layers of the ocean) using a jar and several household ingredients!
Paper plate stingray craft
Cute Valentines card box
Knit a squid
Kids will have a whale of a time making this cute ocean animal craft!