Tamiya 18612 The 3rd and 4th Touring Car-type Mini 4WD PRO releases will feature clear polycarbonate bodies with aerodynamic racing-car styling. Machines feature MS Chassis equipped with small diameter racing tires and wheels powered by super-fast 3.5:1 ratio gear. About the Model All-new assembly kit 3-piece detachable MS Chassis with mid-ship motor layout New type 130 double shaft motor. Requires two R6/AA/UM3 batteries (sold separately) Unpainted clear body made from durable and lightweight polycarbonate (use Tamiya Polycarbonate Paint to finish body) Small diameter wheels and tires powered by super speed 3.5:1 gear MINI 4WD KITS REQUIRE: (unless stated differently above) Battery: 2AA Paint: Optional Misc. Items: Basic building tools JR Exflowly