DRAWBOT Robot Builder w/ 70 pc Puzzel 1. A novelty inductive robot follows the marker line like magic. Has an optical sensor that reads the black line drawn on a white piece of paper. 2. Complete the puzzle which has black lines on the surface, drwabot will follow the line and walk around 3. Creat your own city with included DIY paper 1 x Drawbot 2 x Drawbot Marker 1 x Drawing Paper 1 x Instruction Manual 140 x Puzzle 4 x DIY Paper Battery: 4 x AG13 (Included)