Summer vacation is the perfect time for kids trapped indoors during the school year to reconnect with nature (it's also an excuse for parents to knock off work and get some much-needed mental refreshment). Why not attend to both of those needs with a stargazing family slumber party, compliments of Mother Nature? Here's all you need for this easy, inexpensive (darn near free) family fest. Creative summer slumber party for kids: Backyard stargazer bash . For free printable star charts, night sky maps and astronomy activities, visit this link Free Printable Star Charts and Astronomy Lessons.