Piece together the 48-piece cardboard jigsaw floor puzzle in bright light, then discover hidden glow-in-the-dark pictures when the lights go out Detailed outer space theme includes natural objects like planets, stars, and meteors, as well as a fun array of astronauts, spaceships, and satellites  Completed puzzle measures 3 feet x 2 feet; be sure to expose the puzzle to bright light to activate the glow-in-the-dark feature  Great for storytelling and sparking imaginative play, motor skill development, and encourages problem-solving and critical thinking  Makes a great gift for boys and girls, ages 3 to 6, for hands-on, screen-free play