The Little Mermaid 2014 Wall Calendar 2014 Disney The Little Mermaid Wall Calendar Size Closed: 12 " x 11" (Approx) Our commemorative calendar celebrates the 25th anniversary of Disney's The Little Mermaid. Ariel is always a favorite Disney Princess among girls of all ages. Its wonderful cast of supporting characters are here: Sebastian, Flounder, and Ursula, too!