New use for those sandcastle molds they sell for the beach: making a seriously cool ice cream cake. Top with toothpick flags, candy seashells, and sugar pearls to make it even more photo-worthy. Read (How To Make Cake Layers)
Beach Party: How to make a sandcastle cake. Super detailed (but non-technical) tutorial for making a darling sandcastle cake (made by a mom, not a professional baker!) Perfect for a beach or mermaid themed party, or even a casual beach wedding!