Easy and you can use each little square as a self contained spot as well. Like it!
Use cinder blocks to line a bed, and you can plant flowers or strawberries in them. This would be good for mint, to keep it from spreading into the rest of the garden.
a garden path of stone & railroad ties
stone and wood walkway
Pretty wood plank path
paths and walkways for beautiful garden designs
garden ideas - Google Search
DIY christmas tree. OR-You could cut up old Mardi gras beads and glue them on instead of buying them, spray paint the pine cones first and use as ornaments. Free decorations!