So I am a Pediatric Nephrologist. I work with children with kidney problems. I make them take medications, some of which are shots.
Explaining that the treatment will help them grow and feel better doesn't work that well. Not until the lesson is delivered by...an animal.
Walt Disney figured this out in the 20th century. So I ask my fellow Scientopians over at Child's Play:
Why can Mickey take my message home better than I can, at least in the school-aged group?