Shopkeepers in downtown Ashland will celebrate the biggest holiday in the wizarding world — Harry Potter's Birthday — from 1:30 to 4 p.m. Monday, July 31.

They're encouraging wizards and muggles alike to don their favorite wizard finery and visit famous wizarding locations along Main Street. Free activities and their locations include:

• Adopt a pet at Eeylop's Owl Emporium inside of Websters;

• Test out Ollivander's Wands at Unicorn Gifts & Toys;

• Wizard author book signing at Flourish & Blotts Book Exchange;

• Butterbeer tasting at Paddington Station's Three Broomsticks;

• Bertie Bott's Every Flavor Beans tasting at Honeydukes inside of The Jewel Box;

• Visit Trelawney's Fortune Telling Tower at The Yogurt Hut;

• Make Potions in Snape's Potion Dungeon and test your OWLs knowledge at TreeHouse Books; and

• Pygmy Puff Adoption at Weasley's Wizard Wheezy at Small Change Children's Store

The event is coordinated by the Ashland Chamber of Commerce, TreeHouse Books, Paddington Station and downtown merchants.