well i built this around a year ago for my nephew for christmas, not going to go into to much detail (dont like giving away my secrets lol). anyways its two radio flyer wagons,custom front end work so it can steer and lowered, bagged in the rear and bought tank from ebay and valves from SD.com. paint is candy apple red.
@as of right now i need to put the new switch on it, and find a battery @
also it supports my wieght 180 pounds with no flex
heres a video