while driving from bay city, mi to caro, mi traveling east on gilford rd just east of reese rd and near s. vanburen rd. i witnessed a light to the southeast of me that was blue then green then yellow then red it cycled like that 3 times and when i got directly beside it to i saw whatever it was flash bright blue and orange and yellow sparks trailed the object the blue and the spark trail hung in the air for a few seconds then faded away. it moved very fast and was gone in an instant