Glow Table: Place an electric lantern or clear jars full of battery-operated string lights under your patio tables, then cover each table with a thin cloth (or even a sheet) that reaches the ground. You won't see the glow in daylight but come dusk, ta-da! - your back yard turns into a light show.
Write on glass with a chalkboard marker. This is a simple idea, but I like it a lot! Write favorite quotes on a framed piece of glass with a chalkboard marker. When you’re ready to switch it up, the marker should wipe right off with water.