Kevin | 25 January 2010 | 0 commentsPlanets & Stars by University Games for $3.99. You'll get 9 planets and 21 glow in the dark stars. The stars are either an inch or an inch and a half in size. The planets are slightly bigger then that. You get an adhesive putty included with your purchase. These are fantastic for kids rooms. It's both visually interesting as they sleep, and are subtle during the day time, or with the lights on in a room.