Here is a sure fire way to WOW this Summer! Make your own glow in the dark chalk using only two ingredients plus water. This chalk glows in the dark, under UV light, and it even works in broad daylight! (SUPER Summer FUN from Growing a Jeweled Rose)
32 Fun DIY Backyard Games To Play (for kids & adults!)
This would be so easy to build and do, all we would need would be wood cut to cubes and a marker or spray paint and then a big bucket to put it all in afterwards. Would be fun for camping too! Yard Yahtzee DIY yard game, easy to make, fun to play.