Great Explorations Colorful Twinkle Stars Pack of 50 Glowling Colorful Twinkle Stars includes adhesive putty Comes in a a variety of glow-in-the-dark stars; blue giants, yellow stars and red dwarfs; 1/2" - 4" The glow-in-the-dark stars are the brightest and best on the market with proprietary Glominite formula Best on the market; lifetime glow guarantee with Glominite Great Explorations products encourage kids to imagine and create as they explore the world around them