DIY Turn PVC pipes into a playground musical instrument. I wish this had the instructions with it, but I might be able to figure it out. This might even work as a service learning project for the playground
School Supply Caddy: Using a serving plate stand or even maybe a plant stand, you paint cans in whatever colors, get buckets and fill with school supplies or art supplies. Kids can use & put back easily. Go one step further and label each can.