Your kid is quick as lightning and\, letâ€™s be honest\, a little bit obsessed with things that glow. What better artsy craftsy project for your little lightning bug than the Light Writerâ€™s light pen and glow-in-the-dark sheets? Perfect for sleepovers\ staying up late\ or just discovering a new artistic medium\ children will spend minutes at a time fully lighted up. The special battery-powered pen provides a blast of bright light to energize the glow-in-the-dark paper. Just make sure he understands what you mean by lights out."Small parts; recommended for children ages 5 and up. Includes two 4\ x 6\" reusable phosphorescent sheets that last for years and 4 stencils to help create glowing images. The activity guide features 4 pages of fun ideas\ activities\ and facts. Comes in a durable storage case. Requires 2 AAA batteries (not included in the sale)."