How To Travel The World For Free: You'll be amazed at these smart, effective ways to cut travel costs you thought were unavoidable—whether you're planning to WWOOF your way around the world or embrace the brave new world of travel hacking.
Place rocks/stones over campfire to get hot. Then put them on picnic table and have kids color them with crayons. The crayons melt onto the stone making it look like paint! We did this on our girl scout camp outs. Fun things to do on picnic table.