Two million units of a single fridge-magnet design sold in one year, and some popular styles are limited to a few hundred pieces per day. These objects blend museum-level replica craft, modern tech and toy-market tactics to turn a low-cost souvenir into a sought-after collectible. 

In this episode of Unboxing China, we unbox the phenomenon: the craft, the AR features and the scarcity mechanics that have made fridge magnets a social and commercial sensation.