Heng Long New Metal Tracks Edition 1/16 German Tiger I Airsoft RC Battle Tank Special Metal Tracks Edition w/ Sound & Smoking Effect Preinstalled Heavy Duty Metal Tank Treads Powered by Bigger and More Powerful Engine All Tread Spension System Full Motion Turret Complete Kit, Ready to Run (Everything is included and 100% assembled -- only required 8 AA batteries for the radio transmitter to start battling)