What can an engineer do with a load of tools, a giant red boot and a couple of light bulbs? We're not sure, but Coke is teasing us with this video, which shows a vending machine being kitted out to turn into something entirely different -- a new way to get your Coke. All it says is that this time, you might have to earn it. This is the newest execution of the brand's 'Where Will Happiness Strike Next?" campaign, which has surprised and delighted people all over the world with vending machines that only respond to hugs, a taxi that you have to share, and a pop-up park in a city.