Billionaire Snowball Competition

Challenge: Which group can make the largest snowball?

The winner is the ball on the right, of course. I broke up the class of 10 in 5 groups of 2. Three of the groups built their own snowballs.
Then 2 of the groups joined forces to create the larger snowball on the right.
The 2 groups that joined forces obviously won because they had the largest snowball!

Did I ever mention that you could not join forces?

The group on the left learned that lesson too late.