About the Model These Mini 4WD Pros are special "Gold and Silver Plated" limited editions of the previously released Item No. 18623 Mini 4WD Pro Savanna Leo. Length 152mm Width 92mm. Has the same chassis parts as Item No. 18623 Savanna Leo. Assembly kit 3-piece detachable MS chassis with mid mounted motor. Features the durable N-02 nose. Large dish wheels and 16mm rollers help provide stable high-speed performance. 4:1 gear ratio matched with the included Type 170 motor. No glue or cement required for easy assembly. Requires two R6/AA/UM3 batteries (sold separately) MINI 4WD KITS REQUIRE: (unless stated differently above) Battery: 2AA Paint: Optional Misc. Items: Basic building tools