Painting Art for Kids Seashell painting would be a great activity for a mermaid birthday party!Seashell painting would be a great activity for a mermaid birthday party! Mermaid Theme Birthday, Little Mermaid Birthday, Little Mermaid Parties, Mermaid Party Games, Mermaid Themed Party, Mermaid Party Invitations, Mermaid Party Decorations, Pirate Birthday, Pirate Party