Make your own Constellation Projector
Cardboard Tubes (Pringle or paper towel), Black Card cut into circles, Sellatape, Pins and Constellation Sheets printed from this website http://sceleratusclassicalacademy.blogspot.co.uk/2012/11/homeschooling-as-decorating-choice-part.html
Use push pins to poke holes in black circles to make constellations. Place constellations of end of paper towel tube. Point toward ceiling and shine flashlight through other end to make constellations appear on ceiling.