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

https://elliotsinspiringjournals.zenbloomer.com/posts/how-to-set-up-a-champagne-tasting-for-beginners-who-do-not-know-wine-terms

A good champagne tasting at home is less about fancy gear and more about a few thoughtful details. Chill bottles to 8 to 10 C, use tulip-shaped glasses if you have them, and pour small, equal tastes so everyone can compare