Stock #23001 – radio control, all plastic with rubber tracks. Features forward/reverse & left/right movement. Boom arm extends and raises, bucket dumps, rotates 360° on base. Requires 4 AAA batteries for vehicle & 2 AAA batteries for controller, NOT INCLUDED. Made by Diecast Masters, 11″L x 5.5″H x 3.75″W, for ages 8 & up. See video of 1/35 RC Cat 336 Excavator in action.