Hosting a Champagne tasting at home is less about special gear than a few...

https://trevorsmasterthoughts.hexaforgey.com/posts/how-should-i-store-champagne-at-home-before-guests-arrive

Hosting a Champagne tasting at home is less about special gear than a few thoughtful choices. Chill bottles to 8 to 10°C, use tulip-shaped glasses if you have them, and pour small tastes so everyone can compare styles without rushing the evening.