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Do you know where shells come from? Animals like mollusks make them. Mollusks have an outermost layer of tissue on their bodies called the mantle. This layer connects the animal to its shell and it also creates that shell. As the animal grows, its shell must grow along with it. This happens along the outer edges. A snail adds to its shell around the opening, where it pokes its head out. For a clam or mussel, it’s the outer edges where the two shells separate. The result is growth rings, like those in a tree, that allow the mollusk’s age to be measured. In this activity the participant will use seashells to create a piece of art while learning about shell types!

This activity is a part of the beach theme box. Check it out!