RC4WD Z-H0004 BigDog 1/8 Dual Axle Scale Car/Truck Trailer This is the RC4WD BigDog 1/8 Scale Car or Truck Dual Axle Trailer. Includes:One RC4WD BigDog 1/8 Scale Car or Truck Dual Axle TrailerRequires:Tires require glue installation on wheel.You need hitch for your truck