What happens when you have that much testosterone under one roof? A lot of competition. Turkey bowl football games, card games, nerf wars, and the crowning competition, a pinewood demolition derby.
My brother Doug built a track:
And they raced them. And let them crash into each other until they broke. Once your car broke, you were out of the race. Unfortunately, the cars were quite strong this year and a few of them never did break completely:
My boys were a little disappointed that their cars broke pretty early on, but they still had a great time. My brothers are crazy.