I HAVE A REVO NITRO 4 X 4 TRUCK WITH ELECTRIC START AND A TON OF EXTRA PARTS, BUMPERS, GLOW PLUGS, TIE RODS, TWO BATTERY CHARGERS, TWO GLOW PLUG HEATERS, CONTROLER, NITRO FUEL BOTTLES ...... AND A TON OF OTHER STUFF. I ALSO HAVE A NITRO BUGGY TO SELL WITH IT. HAS A TON OF PARTS TO GO WITH IT TOO. I HIT A PARKED CAR TIRE AND NEEDED TO REPLACE THE A-ARMS, THE BUGGY IS 4 X 4. WE HAD A LOT OF FUN WITH THESE AND THEN THE KIDS LOST INTEREST. I PAID 600 FOR THE REVO AND 275 FOR THE BUGGY, AND I CA N'T EVEN TELL YOU HOW MUCH WE SPENT ON EXTRAS.