U.S. Army Military 4x4, U.S.M1A1 Tank & Trailer 3 Piece Set Mighty Machines Playset Assorted 4x4 Vehicles Military Playset Consists of One Mighty Machines U.S. Army Military One Each: 4x4 Vehicle, U.S.M1A1 Tank & Trailer! One Playset Includes One U.S. Army 4x4 Jeep "or" One U.S. Army 4x4 Transport, PLUS One U.S.M1A1 Army Tank and One Trailer. Battery operated - two AA alkaline batteries required - one battery for 4x4 vehicle & one for the tank (Batteries NOT included). 4x4 Vehicle is approximately 3 1/2 to 4" wide, 5 to 5.5" long & 2.75 to 3" high. The tank is approx. 3.5" wide, 5" to 5.5" long & 2.5 to 2.75" high. Four wheel drive, can climb steep grades. Trailer is approximately 6 1/2" in length plus the ramps.