Head to the concession stand at select theaters and get your LidRock featuring HowStuffWorks Head Games -- yours free with any 32-ounce soft drink!

A Head Game consists of 6 HowStuffWorks articles that together point to a person, place or thing. Find the hidden, double underlined link within each article and uncover the next clue. Follow these clues to view all 6 articles and you're on your way to solving the puzzle!

Ask for your LidRock at the concession stand today! Learn more from HowStuffworks.com -- because it good to know.