It doesn't take much to entertain this lot sometimes. The little boys had a few ping pong ball that they were playing with and before I knew it, it was a full-on melee at the foot of my bed. All four of them threw those balls back and forth for at least half an hour. They were laughing and squealing and NOT fighting--all I could do was take pictures.
Excuse the background clutter--it piles up all week long and my weekend project is to always address it!