In June, these two varieties launched a new promotion for PebPals, a philanthropic campaign supporting Australia Zoo Wildlife Warriors Worldwide — USA, which urges consumers to adopt PebPals characters and play games on postopia.com. The website, which averages 264,700 visitors a month, has games that require kids to use Postokens — codes found on Pebbles cereal boxes — to unlock levels in games like "Adventures Beneath Bedrock in 3-D" and "Bedrock Dance Academy."