Sand Dollars Aren't Shells -- They're Actually Fascinating Creatures

As a kid, I always thought finding sand dollars was the coolest thing. But even though I thought they were cool, I never really understood how amazing they truly were. Luckily, this video is here to change all of that. This footage will give you a new appreciation for the critters you loved searching for as a kid. video-player-present They might be the slowest creatures around, but that doesn't make them any less interesting. This planet is full of so many wonders.