There are millions of kids online, and as we’ve seen many times before, they can innocently rack up a large mobile bill. To prevent that, use this interactive, animated guide from this collaborative video between Will Samuel and UK’s Internet Advertising Bureau – it’s perfect for parents with young children who love to read eBooks or play mobile games.

If you like this video, be sure to check out more of Will Samuel’s work.

If you’re a parent with kids who have made charges on iOS apps without your consent, contact Apple to apply for a refund.