Hey there kiddo! Do you know what a milk crate is? It's a little box that's used to carry milk bottles! Do you remember seeing milk delivered to your doorsteps in glass bottles? The bottles would be kept in a milk crate!
A milk crate is usually made out of plastic and has a grid-like design on all sides with handles on the top. It's very strong and can carry a lot of weight. Not only did people use it for carrying milk bottles, but later on, they started to use it to store and move other items.
Nowadays, many people use milk crates for a lot of things! Some use them to store books, some use them as chairs, some even use them to create furniture like shelves or side tables. Milk crates are very versatile and can be used for many different things!
So there you have it, a milk crate is a little box that was used to carry milk bottles, but now people use it for all sorts of things!