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!
A fun project for the kids to recycle wine corks and rubber bands from produce into Cork Sailboats With Sparkly Sails from Mama Papa Bubba. Take them in the tub for bath time or outside to the nearest body of water!