The Zano crowdfunding campaign raised $3.6 million to make mini drones that take pictures and video. Some drones were delivered, but overwhelmingly, backers did not get the rewards they expected.
The crowdfunding platform commissioned a University of Pennsylvania professor to do an analysis of the fulfillment rates of funded campaigns on the platform.
If a multi-function cooler and a card game about kittens and explosions can exceed their funding goals by such large margins, imagine what you could do with your idea.