A Galaxy for a Driveway

No, this isn't about Rainbow Road in Mario Kart. It's about glow-in-the-dark pebbles you can scatter on a gravel driveway so at night it looks like this:

I'm thinking this could be useful for dark paths at a campground, too. The possibilities are endless. An "easter egg"-like hunt after the sun goes down? Cosmic-Bowling-style fish tanks? Kitchen countertops for midnight snacks? Feel free to develop your own...

[via Discovery News]