With more than 600 reusable stickers to keep little hands busy for hours, "Sticker Encyclopedia: Space" features stickers and facts about everything space-related, from lunar modules, to the planets of our Solar System, to galaxies millions of light-years away.With more than 600 reusable stickers to keep little hands busy for hours, "Sticker Encyclopedia: Space" features stickers and facts about everything space-related, from lunar modules, to the planets of our Solar System, to galaxies millions of light-years away.