Each year,thousands of visitors come to the 15,000 square-foot Zippo/Case Museum.Displays include rare Zippo lighters,Case knives,interactive media kiosks,a 7x11 foot American flag made of more than 3,400 red,white and blue Zippo lighters, hologram, and ZAC (Zippo And Case),a seven-foot audio/kinetic ball machine full of motion, sound,and colors produced by its gears,chimes, chutes and climbs.