Marci, unlike her sister Mimi, does not do things other girls participate in. Marci has a tomboyish personality, as she likes sports.
- Purple T-shirt with blue overalls and sneakers
- Soccer uniform
- Hockey uniform
- "Show and Tell Shark"
- "Frog Legs"
- "Camel Commotion"
- There's Snow Place Like Home"
- "Sloth For a Day"