Great Explorations 3-D Stars in a Tube The Great Explorations 3-D Stars in a Tube from University Games glow longer and brighter Includes 30 glow-in-the-dark 3-D stars, adhesive putty and 25ft of string. Recommended for ages 5 and up. Transform your room into a glowing galaxy with the brightest glow-in-the-dark stars! The glow-in-the-dark stars are the brightest and best on the market with proprietary Glominite formula For ages 5 and up