(CNN) - The "Coolest Cooler" is a hit on the crowd-funding website Kickstarter.
It looks like a regular cooler, but it's covered with gadgets like a blender and a cell phone charger.
Designer Ryan Grepper initially missed his funding goal of $125,000, so he went back to the drawing board, and redesigned the product.
A little more than a month later, the new "Coolest Cooler" got more than $8 million in pledges and some 41,000 backers.
With 21 days still to go, Grepper's project has become the third most-funded campaign on Kickstarter ever.
It could hit the top spot if pledges continue to pile in.
Grepper suggests make sure your design is visually compelling and develop a following.
Other experts suggest making a video for your Kickstarter page, and keep it simple, don't reinvent the wheel.
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