We have a game that we occasionally like to play in group. Everyone takes an 8.5 x 11 sheet of paper and folds it in thirds along the short dimension. Draw a head on the top third, turn the paper so the drawing is hidden then pass the paper to the next person. They draw a torso, turn the paper and pass it one. Then the last one draws the waist & feet. Only the connecting marks are seen between participants.
The result is very often hugely entertaining and sometimes amazing. We did this in the car on a trip last weekend. I was impressed with Austin's three separate character parts. They merged well, so I scanned them and made them into a composite!