I'm putting this in a journal for quick reference for when I need to report Wreck-It Ralph fanart for sexualized minors.
These are characters from the movie 'Wreck-It Ralph'. Within this movie, they are from the video game Sugar Rush, and they are all children.
Vanellope's age has been given as 9 by her voice actor (Sarah Silverman), and 12 by John Lasseter. The beginning of this interview with Silverman states the age of 9: www.youtube.com/watch?v=lE67fL…
The other two characters of Taffyta and Adorabeezle would be around the same age, as they have the same child proportions. There is nothing from an official source to state the ages of other Sugar Rush racers, but the general conscious among fans is that they're around Vanellope's age (as seen from checking bios of fanmade Sugar Rush racers).