I hope this tutorial helps everyone assemble their passing butter robot, it would be constantly updated base on your feedback is a work in progress . so lets get started. Shopping list: Parts: 1. RC Tank ISPY Wifi Controlled Spy With Wi-Fi 2. Towerpro SG90S Micro 3. Rubber band(is for counter weight) 4. M3 flat head screw 5. 3D printed parts http://www.thingiverse.com/thing:1878565 6. (2) 30mm wires 1 red and 1 yellow Tools: 1. soldring iron 2 glue gun 3 screw driver Taking things apart, after removing the cover unsolder those 2 wires, we are going to connect those 2 wires to the micro servo later on. We need to remove the camera is a a bit tricky if you don't want to break anything after removing the gear box, remove this pin first. Now we need to take apart the servo motor, we would cut all the wires from the servo motor and solder the 2 wires remove from the other motor before. after that, assemble back the servo...