The old-fashioned wax candies in the candy store and birthday party goodie bags are typically made with paraffin wax or beeswax, along with corn syrup, sugar, artificial flavors, and colors.

But he did reveal some key ingredients. Katzel: Inside of a lava lamp, you've got wax, which is mostly paraffin wax. That's your lava. Jones: Paraffin wax is a common wax made from petroleum.

The wax is pretty much designed to be eaten (or at the very least, chewed on). Read more: The Popular Candy Bar That Isn't Remotely Overrated Food-grade paraffin wax is made from petroleum or ...