For ages 5-95 years. Black Light Message Board includes everything you need to createcool neon drawings and messages. Flip the switch and watch them light up. This double-sided, dry erase surface includes 50+ glow-in-the-dark stickers, 70+ traceable designs and 2 neon markers. The assembled size of the black light message board measures 8 3/4"w X 8 3/4"h. It operates on 3 AA batteries (not included). Let's get glowing!