Kids The Birthday Club celebrates birthdays because birthdays can't be celebrated enough. So join today and receive a free Wacky Pack® Kids' Meal on your birthday. And celebrate by eating it.
and a fan club for adults for discounts.SONIC Cruisers ClubSM is the official SONIC® fan club. Members get all sorts of perks, stuff like a monthly e-mail newsletter, a surprise on their birthday and much more.