To get some practice editing you can use a sandbox. You can for use any time. It's perfect for working on bigger projects. Then for easy access in the future, you can put a link to it on .
Please remember to:
Always sign your posts on talk pages. You can do this either by clicking on the button on the edit toolbar or by typing four tildes~~~~ at the end of your post. This will automatically insert your , a link to talk page, and a timestamp.
Leave descriptive edit summaries for your edits. Doing so helps other editors understand what changes you have made and why you made them.
The best way to learn about something is to experience it. Explore, learn, contribute, and don't forget to have some fun!
The easiest way to create a new article is to click on a link to a page that doesn't exist. Typically, these links show up as red links.
You also can use the Search box—on the top-right corner of your screen—to look for an article name. When you are told that the page does not exist, click the link provided. You can also use the Article Wizard.
button on the edit toolbar or by typing four tildes 
