A good Champagne tasting at home is less about fancy gear and more about a few...

https://www.salonprivemag.com/hosting-a-successful-champagne-tasting-at-home/

A good Champagne tasting at home is less about fancy gear and more about a few thoughtful choices. Chill the bottles to 8 to 10°C, use tulip-shaped glasses if you have them, and pour small enough tastes to compare