DIY :: Acrylic paint (enamel works even better, but it's more expensive) on a few smooth rocks, then placed here and there in the garden, makes a surprise treat for the eyes. Summer project for the kids. Hobby Lobby has rock painting kits.
mosaic board with half-teacups/coffee mugs - to plant succulents and/or herbs - unique garden decor! (Use same cup i. all blue on all yellow tile background or blue willow broken plates for organizer board, maybe just 3 cups?