They scattered into the desert, quickly became bored, and sought out each other’s company. Then they threw the pencils and paper into a pile, and used the candles and matches to start a little bonfire. The boys loved it; the sensitivity trainers were horrified. Kill the pig! Slash its throat! Bash it in!
Sure, left to their own devices, little boys quickly turn into a pack of hyenas. That's why they need to have parents and other adults around to channel this boundless energy into the right direction.
My Mother(one of, if not the wisest people to ever walk this planet) said "children are like pets you love them..but you also discipline them."