It's candy, and it's also a puzzle! You could possibly persuade your parents to buy it for you under the pretense that somehow solving the puzzle made it educational food! OK, that might have been a stretch, but we're sure some people reading this gave it a try.
Solving the puzzle was never a real hardship, but that was never the point. Most of us just ate the candy without even trying. Still, the cute little coffin that it came in was kind of cool.