Great Explorations Glow-in-the-Dark Colorful StarsThese colorful celestial products out-glow all others thanks to the Glomonite formula. Used separately or combined with planets, these luminaries brighten up any room. Add a colorful twist to your nighttime scene of glowing galaxies with these stars.Product Dimensions (inches): 10 (L) x 5.5 (W) x 1.5 (H)Age: 5 years and up