Batman Projector Pen Set - Bundle with Batman Ballpoint Pen with Projector Light Plus Stickers | Batman Stationery Gift Office Supplies for Kids, Teens, Adults. This Batman stationery set includes 1 Batman ballpoint pen featuring a unique projector light. Press the button to project the Batman logo onto any surface. Sure to be a hit with all Batman fans, this Batman projector ballpoint pen pack is perfect to give as a gift to your favorite Batman enthusiast. This Batman pen set is perfect to include in a gift set for your favorite Batman fan to open on any holiday or birthday. Will pair perfectly with all other Batman stationery and office supplies. Officially licensed Batman office pen set for kids and adults also includes Batman stickers. Battery Type: AG3 Alkaline Button Battery Capacity: 40 mAh Size: 7.9 mm