Because Japan. Quite possibly the world’s first diecast egg.
This is the latest cult figure from the makers of “Hello Kitty”. Gudetama is a slightly depressed egg yolk. Related merchandise has started to crop up around here as well, particularly in Daiso Japan stores.
I don’t actually remember ordering it, but it popped up in my latest box from HLJ. Oh well, might as well show it here, eh?