How did L.O.L. Surprise take over the toy world? By understanding child psychology. The actual doll is simple, but unwrapping it is the exciting part—playing on four-to-five-year-olds’ recently-developed understanding of the future and drumming up excitement by building anticipation. Plus, the Toy Fair favorite is perfect fodder for social media: the toy was based on and built for unboxing videos. (Mental Floss)
