Mindoro is a big island in the Philippines, kind of like one of those big puzzle pieces you can hold in your hands. It's got a lot of things on it, kind of like toys you can play with. There are mountains and hills, like big piles of dirt you can climb up and down. There are also rivers and streams, like big long lines of water that flow through the island.
Mindoro has a lot of trees and plants growing on it, like a big garden. Some of the trees are tall and have leaves that are green all year round, like a big umbrella that never closes. Others have really big fruits hanging off of them, like giant apples you can't quite reach. There are also animals living on Mindoro, like birds that tweet and squirrels that scamper around.
People also live on Mindoro, like a big family that shares the island with all the plants and animals. They live in houses made of wood and other materials, like big forts. They have shops and markets where they sell and trade things, like a big playground where you can swap toys with other kids.
So, Mindoro is a big island in the Philippines with mountains, hills, rivers, trees, plants, animals, and people living on it. It's like a giant puzzle with lots of different toys and games to play with.