Fun idea, but I can see a potential problem when the time comes to mow. I think the glowing rocks need to be contained somehow. Or maybe use larger painted rocks to line a walkway and just plan to use an edger for trimming the grass.
17 DIY Mini Bars to Mix Up Your Home Decor
.DIY Home Bar - 17 Minibars to Make at Home - Bob Vila I don't drink but I just love home bars!! I know, crazy!!
Solar step lights - for the back deck! $40 for a set of 4