While you can use these toys to play with your infant, there are simple activities you can do that won't require any other object, such as playing peek-a-boo and patty cake, talking to baby, and singing songs.
I can watch hippos for ages, playing their sinister, slow-motion, peek-a-boo game of silently submerging and reappearing.
Pop-up puppets are a fun way to play peek-a-boo with a child or hide and seek.
Game-This Fisher-Price game features bright animals that pop-up with peek-a-boo sounds when computer keys are tapped.
If you are working with an infant, consider playing peek-a-boo behind the camera.