Klein BottleWTF Is That
Brand not stated

Klein Bottle

A glass take on a surface with no conventional inside or outside.

A real glass approximation of the mathematical Klein bottle, a surface with no conventional inside or outside.

£37.49

Current price checked 2026-09-27. Available at the verified UK merchant listing.

See the bottle with no inside Opens science-gifts.co.uk in a new tab.
The details

What you’re looking at

Made by
Brand not stated
Price guide
£25–£50
Product information source ↗

Product information comes from the research catalogue. Current specifications, price, availability and suitability should be confirmed with the maker.

Our take

Why it caught our eye

This is a mathematical idea that usually lives on a blackboard, made physical in glass. It is a good fit for anyone who likes objects that are more interesting the longer they are studied.