Wordwall gives you access to a large bank of activities that other teachers have uploaded. To find these resources, the easiest method is to use the search box at the top of the 'Community' tab.
Simply type in the a query to pin down the resource you are looking for.
After searching select the resource that interests you and you'll be given a bit more information about it. If you like the description, to get a copy of the resource for yourself, press 'Download'.