Hosting a Champagne tasting at home is about small details, not special gear....

https://cruzsultimatejournals.readspirex.com/posts/champagne-gift-ideas-that-feel-thoughtful-not-generic

Hosting a Champagne tasting at home is about small details, not special gear. Chill bottles to 8–10°C, use tulip-shaped glasses and pour modest tastes