Toy State Caterpillar Construction Massive Machine Large scale excavator with updated Cay styling Features lights, vocals, music and motorized actions. Comes in push button and tethered remote versions. Play boulders included. CAT Massive Machine Excavator can take on any work site Mechanical control levers move the boom arm and bucket CAT Massive Machine Excavator can take on any work site Mechanical control levers move the boom arm and bucket Push buttons trigger functions for motorized forward and reverse driving Fun construction vocals and music Four "C" batteries included