Have a sweet tooth? Well don't try to bite into this chocolate bar or you'll get a mouth full of plastic and glass. This may look frighteningly like a real chocolate bar, but it's actually a pocket calculator.

The Chocolate Calculator is cleverly packaged in a wrapper that would fool just about any chocoholic. While it's not very fancy and only does basic math, it's still a pretty fun little gift for the chocolate addict in your life…