Drawing cartoon kids is a little bit different than drawing cartoon people and if you're unfamiliar with basic human proportions it might be a little bit tricky. In this lesson you'll learn about the basic proportions that you need to keep in mind when you're drawing children. This applies for both cartoon kids and realistic kids, though when you're drawing cartoons you always have a lot more room to get creative. Your average human adult is about six to eight heads tall. What this really means is that if you took the head as a measuring unit and stacked.