Take a 2 liter soda bottle, poke holes in it. Attach to a garden hose. Toss over a tree branch and let hang for a kids water sprinkler. You can loop it over a tree branch and let kids bat it around for more watery fun!
Make a backyard bowling alley. Add food coloring to clear plastic bottles of water. Use party streamers as lane margins. Add glow sticks for night bowling. (These would make great outdoor table nightlights also with the glowsticks, gonna try it!
Cute terracotta succulents for kitchen window! Inexpensive short glasses, ribbon or any fabric/paper trim, succulents you can easily reproduce and a tag if you really wanted one and voila! Perfect for a garden/desert/modern event