I have a game I played with my daughter that I now play with my son:
We're going to make baby rasin bread today.
First we catch the baby so he can't run away. (lay baby down)
Then we squish him up into a ball. (gently push baby's knees into his chest)
Then we roll him out until he's nice and tall. (roll baby back and forth)
Then we pat him down until he's nice and thin. (pat baby's chest and belly)
Then we poke the rasins in! (tickle baby's belly)
I made this game up when my daughter was little. I had completely forgotten about it until last night when my husband recited it to our son.