Glow-in-the-dark! Cover any ceiling or wall with these glowing stick-up stars. Perfect for stargazers and children who struggle with the dark. ? Just expose the stars to daylight and watch them glow during the night! Best when charged in natural light. Each set comes with 8 stars 4 big and 4 small. Stickers provided for attaching stars to your intended surface. Box measures approx: 8.5 x 5.5 x 1.5 cms.