Lego trains are toy trains made out of Lego pieces. Lego pieces are little blocks that can snap together to make all kinds of things, like buildings, cars, and trains.
When you get a Lego train set, it comes with a train engine, train cars, tracks, and sometimes even little Lego people. The train engine is the part that pulls the train cars along the tracks. The train cars can be different shapes and sizes, like boxcars or passenger cars, and they can be attached to each other and to the engine with special Lego pieces.
The tracks are like roads for the train to travel on. They come in different lengths and can be arranged in lots of different ways to create different layouts for the train to travel on. Some sets also come with bridges and tunnels to make things more interesting.
To make the train go, you have to turn it on. There's usually a little button or switch on the train engine that you can press to get it started. Then you can use a remote control to make the train go forwards or backwards, or to stop it.
One of the cool things about Lego trains is that you can customize them. You can add more tracks to make the train go to different places, or you can add special Lego pieces like lights or sound effects. You can even change the design of the train cars or engine to make them look like something else entirely.
Overall, Lego trains are a really fun toy for kids (and adults!) who love trains and building things with Lego blocks. They are a great way to use your imagination and creativity to build your own little world of trains and tracks.