. . . "They work the same way as glitter glue pens, and are designed for people of all ages to explore elecronics, and learn about circuit making using a handy, easy-to-use format.\\u003c\\/p\\u003e\\n\\u003cp\\u003eBare Pens provide a dramatically different method of interacting with electronics as they can be used on almost any surface, including cardboard, paper, wood, wallpaper, walls, textiles, and some p" .