i just bucked some gears from the mall cuz they have a little round tray FILLED with parts and chassis and stuff so i did wut i said in my 12 volt batt post take osmething and move onto next thing while u put that other thing in your pocked i managed to get 2 axle the same (white gear on axle) and 2 motors (zz turbo and a white capped motor dont know the specifications tho) and the motors one came with 7t pinion and the other 10t pinion! u heard! 10 tooth now all i need to buck is the idler and possibly a shhitload of other garbage