Examples of winters activities are: snowboarding, sledding, skiing, ice skating, building a snowman, etc.
You could start by choosing your favorite winter activity.
Then describing the winter activity.
For example, if you picked building a snowman... you could explain how it works.
Then describing what you like about the winter activity. Why is it your favorite winter activity?
For example, if you picked skiing, you could say it's fun and thrilling.
