This amazing animatronic comes to life as Grumph breaths, slurps and complains along with his cohort BoBo. They talk together in an alien language, while moving, laughing, burping, jumping and breaking wind. This lifelike theme park style duo is sure to impress and amuse your patrons. Grumph moves wings, stomach goes in and out, eyes move back and forth and mouth moves in sync to the program. BoBo turns head, mouth moves and he jumps up. Completely automated. Fully assembled and includes Grumph, BoBo, stand with mound of skulls, CD player, sound and motion CD and amp. Stands 8 ft. tall. Requires 100 psi air compressor.