This bookshelf has a pretty whacky secret. Can you guess what it is?
Yup, I was spelling whacky that way on purpose, because it hides a secret Whac-a-Mole machine! So you look like an adult on the outside, but on the inside, you're really a Chuck-E-Cheese. I mean, kid.
Oh, and guess how much it'll set you back:
[$35000, Hammacher Schlemmer]
[Via Born Rich]
Related: The Gamerator, Classic Tabletop Arcade