A carburetor is like a special machine in a car that helps it run properly by mixing air and fuel together before it goes into the engine. Imagine making a cake - you need to mix the right amount of flour, sugar, eggs, and milk together to make it taste good. That’s sort of what the carburetor does for the car.
The carburetor has a little tube that brings air from outside the car into the engine. It also has a small container where gasoline is stored. The carburetor mixes the air from the tube with a little bit of gasoline from the storage container. Then it sprays that mix into the engine, where it ignites and powers the car.
Just like when you bake a cake, you have to make sure you have the right amount of ingredients to get the best result. In the same way, the carburetor has to make sure it’s putting the right amount of gasoline into the air to make the car run well. If the mixture isn’t right, the car won't run smoothly, and might sputter or even stop working.
Cars today usually have fuel injection systems instead of carburetors, but older cars might still have one. The important thing to remember is that a carburetor helps mix air and fuel together, just like you mix different ingredients together to make something delicious.