Scroll through the list until you see the brown Horse Age-Up Treat for 150 Simoleons.Choose the option to 'Shop for groceries and goods'.Click on the Bits & Bales Mercantile grocery store in town (the shop is only open from 7 AM to 10 PM so plan your trip accordingly).Travel to The Oak Barrel tavern in the New Appaloosa neighbourhood.To get the age-up treat for horses in Horse Ranch, follow these steps:
