Henry's Lizard YoYo- Professional Yo-Yo and Extra String - Choice of Colours | eBay
Lucas' Yoyo Shop — Yoyochampion
Yoyo Store, Shop and Buy Yoyos - Learn Yoyo Tricks at YoYoTricks.com
Yo-Shop.com - More than just Up and Down! Learn how to YoYo, meet other Yo-Yo players and buy YoYos online! YoYoFactory, YoYoJam, SPYY, ILYY, Henrys and other brands!
YoYo Shop Australia's Online Yo-Yo Store - Buy YoYo's and Skill Toys
Throwback to 2012 when for the first time (for me) by luck I found a physical retail yoyo store while strolling through the streets of Kyiv : r/Throwers