Peek-a-boo games can be giggle producing favourites. Possum absolutely loves it! I read that from about 5 months of age babies are beginning to understand that things continue to exist even when they are out of sight.
Here is my sister playing Peek-a-boo with Possum.
“Where has Aunty gone?”
“Boo! There she is”.
Of course there are so many different variations you can do when it comes to playing