What was the last time you saw a Jack-in-the-box? Quite a long time ago, we'd guess.
After all, as childhood playthings go, Jack-in-the-boxes can't really compete with the likes of Barbie and the Transformers - but for one little tyke, Jack-in-the-boxes still have the power to shock and amaze.
The baby's name is unknown, but one thing's for sure: YouTuber "MrRosiesteve" definitely has a viral hit on his hands with his one and only video upload, "POP! Goes the weasel".
The little kid's surprised face is, without a doubt, one of the best things we've seen on the internet this week. This year, even.
But we shouldn't forget - babies' wonderful shocked faces have long been a mainstay of internet video cutedom - and we've got just the video slideshow to prove it...