3Doodler 3D Printing Pen with 50 Strands of Plastic, Black Draw 3D objects in the air quickly and easily Two speeds (fast and slow) as well as reverse Two temperature settings for use with ABS and PLA refills Quick warm up time (approx. 1 min) with multicolor LED indicator Includes 50 strands of plastic in 10 different colors, with over 50 additional colors to choose from