(8) 5x11x4 Ceramic

High strength dual ball bearings

Four rubber sealed ball bearings for ultra smooth and precise steering

92mm machine guns and featured additional armor plating on the turret"s right side to protect the anti-aircraft machine gun

- Replaces Arrma AR340151 (ARAC8883) and AR34132 Servo Saver and Link

Tamiya - Bipedal Walking Robot ASC80945 (8) 5x11x4 CeramicThe Bipedal Walking Robot is an addition to the Educational Construction Series. Walking Robot moves by transferring its weight. When the weight transfer unit, which is composed of a gearbox and battery case, moves right, and left, the model rocks and its legs move forward. Length: 85mm, width: 132mm, height: 107mm (138mm with guide rod attached) Weight: approximately 138g (including batteries). Two separately sold AAA batteries are required.