The Developmental Science behind playing Peek-A-boo?

Do you know the developmental science behind playing Peek-a-boo?


This week I managed a visit to a friend’s home, a friend who has a baby and a toddler. I had a fantastic time. I’d forgotten just how fun it was to be around little one’s. I’ve been unwell for so long now (it’ been 24 months) and my own nieces and nephews live far away in New Zealand. For a while I’d forgotten just how fun babies can be.

Being around the little one’s, made me feel alive once more. You see I used to be an Early Years Teacher. I’ve worked with many age groups but one Job I really loved was when I worked at a private day care in Auckland City Centre. The parents were white collar workers such as lawyers and Doctors. I looked after the same 8 babies every day. It was fantastic.

One thing I loved to do was read stories and sing nursery rhymes. I love music and reading with young children. This is one thing I am very passionate about. I also loved to play peekaboo and play with finger puppets. The babies loved this.

Have you ever wondered why babies and infants laugh and smile when you play peek a boo or when you hide a finger puppet out of sight and bring it back to view?

When I was at University I learned about “Object Permanence“, a cognitive development theory written by Piaget depicting how infants see and understand objects.

Young babies and infants are not cognitively able to understand that an object can be moved. Therefore if you show them an object and suddenly remove it, they will in their tiny minds think this is amazing because the object has disappeared.

Likewise when you cover you face (to play play peekaboo) a baby will giggle and smile, not because your playing a fun game but because they think you have literally disappeared and suddenly come back. Babies find this fascinating.

It takes many months for a baby to develop complete object permanence. For most babies it is at about 7-8 months.

So why am I sharing this? When I was at BritMums I had the opportunity to see a range of awesome children’s books. I was really excited to see some good quality books but I really did love the Parragon Nursery Rhyme Peekaboo Board Books.


These booked ticked the box for me in every way possible. I just had to get one for my friend’s daughter. I chose the Bingo (Dog) book because I love dogs (I write a fortnightly post about our family puppy Yoda). So off I went to my friends to give her a new book for her toddler and it was received with a lot of excitement.


The child loved the book. She loved reading it with an adult and then then reading on her own and putting her own fingers through the hole to make the doggie move. My friend was impressed as was I and the child.


So thank you Parragon for sharing this lovely book with me and allowing us the opportunity to test it out on a willing participant.

Would you like your own copy of the Bingo Finger Puppet Book?  If so then visit my Giveaway Competition. It’s really simple to enter and the book is brilliant quality.

Angela Milnes xx

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