I'll play!
My DS is 3 1/2 and two years ago when we were in the process of moving, I left him in a wet CD for too long. (I admit it. I forgot to change him for a couple of hours. I stink.)
His foreskin turned red and swelled a little.
The complex solution was to take his wet diaper off. He ran around naked but that was more because I didn't know where the dipes were and was butt deep in washing the gross refrigerator out. That was a yucky day!
Voila. Our one and only foreskin problem solved.
