Review: 3Doodler is fun but quirky '3-D pen'
A 3Doodler pen and a packet of plastic sticks are arranged for a photo, Tuesday, July 29, 2014 in New York. A plastic stick goes in one end of the glue gun-like device and comes out, melted, at the tip. As you move your hand, it leaves a thin trail of cooling, solidifying plastic. Move it around with a plan, laying down string upon string, and things start taking shape. (AP Photo/Mark Lennihan)