Light-Up Lightbulb Keychains - 12 Pc. | USA Decoration®Ever feel like a light bulb suddenly goes on? Maybe it's a brilliant idea, or maybe it's these lightbulb keychains! A fun accessory kids can attach to their keychains or backpack, simply press the button to get it to light up in unique ways. Perfect for rewards, prizes and party favors. Includes on off button. Plastic. 2" with a 1" metal ring. Includes batteries. Sold and Shipped by USA Decoration