Hello there! I am Manabi Kuma. I love to see you learn new things every day! Have you ever wondered why babies laugh so much when you hide your face and then say 'peek-a-boo'? It seems like such a simple thing, but it is actually a very important part of how their tiny brains grow Kuma!
In Italy, people call it il gioco del cucù. In Palestine, they say ba’ ’éno. In Japan, it is known as inai-inai-ba. No matter where you go in the world, babies love this game!
It is like a special bridge that connects adults and infants through laughter and joy. A long time ago, a very smart man named Jean Piaget studied how children grow. He found that babies follow a special timeline for learning new skills. For example, newborns can recognize their parents' faces after just two days!
This is the start of a wonderful journey for their hearts and minds Kuma. Around 6 to 10 weeks, babies start doing something called 'social smiling'. This is when they see you smile and decide to smile back at you!
It is their way of saying, 'I see you and I like being with you!' It is so sweet, isn't it? Then, between 4 and 7 months, a big change happens. They learn about 'object permanence'.

This is a fancy way of saying they finally understand that things do not just disappear forever when they are out of sight. Before they learn this, hiding your face is like performing a real magic trick! To a tiny baby, you have literally vanished from the world.
When you show your face again, it is a huge and happy surprise for them Kuma! By the time they are 9 months old, they become experts at the game. They can wait for the surprise and even try to look for you.
It is amazing how much they learn just by playing with you! Peek-a-boo is also a baby's very first teacher about how to talk to others. Scientists call this 'serve and return'. It is like a game of catch with words and looks.
You 'serve' a smile or a sound, and the baby 'returns' it. This is how they learn to take turns, which is the secret recipe for a good conversation. Some people even call peek-a-boo a baby's first joke because it has a funny surprise at the end!

As they grow even bigger, the game changes into hide-and-seek. Have you ever seen a toddler hide by just covering their eyes? They think that if they cannot see you, then you cannot see them either Kuma!
This happens because they are still learning 'theory of mind'. This is the ability to understand that other people think and see things differently than they do. It takes a little time to learn, but that is okay.
By age 5 or 6, children start making up games with many rules. But they never forget the joy of a good surprise. Playing is like a superpower that helps everyone understand the world better.
So, next time you see a baby, try playing a little game with them. Your kindness and playfulness help them grow strong and happy! I am always here to cheer you on as you learn more about the world Kuma!

