Who’s up for a nature walk?our moon phase viewfinder will add tons of fun and excitement to any night time outdoors with our new nature viewfinder. This double sided tool will bring fun and learning by helping to identify moon phases and constellations. Just look through the view finder, and match it up to the reference chart on either side of the viewfinder. This item is great for independent use, or to go along with a lesson about constellations and stars