Toy State Caterpillar Construction Massive Machine: 10-Wheel Crane Large scale crane featuring lights, construction vocals and fun tunes. Hand operated boom telescopes to 28". Available in push button and tethered remote version. Motorized 10-Wheel Crane with light and sound fun Push buttons control forward and reverse driving, Exciting music, realistic engine sounds, and fun vocal phrases Boom arm manually extends to 28" Four "C" batteries included