I don't know, but I did.
Either I'm waaaaaaaaaaaaaaay to good at it, or I am reaaaaaaaaaaaaaaaaaallllly awful at it.
After I found them for the 3rd time in 5 minutes, Boyo demanded that I "Go get Daddy. You no fun!"
To console me, Girlie told me, "It's okay Mommy. Maybe the baby wants to play with you."