If you already have the Numbers and Words tiles that you need to play, you can purchase Lettertopia and Math Buzz separately, as described in this article.
If you don't have the Numbers and Words tiles, there are several ways to purchase them.
If you have purchased Lettertopia and Math Buzz as part of the Ultimate Expansion Bundle, follow these steps to get started.
If you have purchased Lettertopia and Math Buzz as part of the Genius Starter Kit + Family Game Night, follow these steps to get started.
Note that you can try out all of our paid apps for free for 3 days; here's more information about that.