Hi Shae! A character breakfast is always a fun way to start the day at Walt Disney World!
Donald's Safari Breakfast takes place at
Tusker House in the Animal Kingdom park,
not at the Animal Kingdom Lodge resort. To reach the Animal Kingdom park from the All-Star Sports resort, just hop on the bus headed to the park. Many guests have early breakfast reservations in the parks so the buses typically begin running by 7 a.m. or so. I recommend you arrive at the bus stop about an hour before your reservation so you'll have time to enter the Animal Kingdom and walk through the park to Tusker House.
If you do find yourself needing to travel from one resort to another on Disney transportation, you'll generally need to take a bus to Downtown Disney or a park that's close to the resort to which you're heading, and then take a second bus to the resort from there.
Wishing you a magical vacation! Come visit us again at the Moms Panel if you have more questions! We'd love to help!