The Kantan Sisters (カンタンシスターズ) are characters in the Anpanman anime.
Description[]
They are twin sisters who work on machinery including vehicles. The one with the red hat and the plus sign is Pla-chan (プラちゃん) and the one with the blue hat with the minus sign is Mai-chan (マイちゃん).
Appearances[]
The twins makes their first appearance in "The new Skoupanmanmobile" (September 17, 1990)