An extremely startling effect. Produces a tremendous BOOM followed by a blast of air. Safety and hearing precautions must be taken. Requires 100-125 psi air compressor, AC power and some knowledge of pneumatic and electric systems. Operated with included switch or add a motion detector or pressure pad. Approx. 16x24". Order by August for September/October delivery. *Free Shipping applies to continental US only. Please contact us for shipping quotes outside this area.*
