Just a thought for the awesome playground you're making for our school! How to Make an Outdoor Chalkboard- What a fun outdoor activity for the kids! Full tutorial includes list of weather proof materials!
You will love this collection of Backyard Games that is fun for the whole family. This DIY Bowling Alley is just one of the top ideas. Check out the Giant Connect 4 and the Giant Scrabble too! You're also going to love the backyard mini golf!