BANG! Bottle rockets, Roman candles and firecrackers to become legal in Saginaw and throughout state. SAGINAW â Throughout the year in Saginaw County, some neighborhoods sound like war zones, the sky riddled with pops, cracks and flashes from illegal airborne fireworks. Many of the illegal fireworks â firecrackers, bottle rockets, and Roman candles â originate from states where they arenât banned, such as Ohio and Indiana.