Disney Little Mermaid Ariel with Disney Frozen Elsa Kids School Teacher Barbie Parody by DisneyCarToys. Featuring a Frozen and Little Mermaid Barbie Parody where Ariel is a substitute school teacher for the Disney Frozen kids of Elsa and Prince Felix and Anna and Kristoff. The kids in the classroom are Krista, Alex and Felicia. The school teacher for the Frozen Arendelle school is sick so Ariel is a substitute teacher and the kids learn vocabulary. Ariel shows off her mermaid fins and teaches kids about shoes and forks with funny made up mermaid terms. At the end, Krista, Anna and Kristoff's daughter is visiting Elsa's frozen castle and ice palace and uses a mixer to curl her hair. Music from YouTube Audio Library. Song Title: Happy Mandolin. Link:.