D1
It's a star that leaves a silver/gold trail
and it has a good visibility.
Composition
KNO3 - 54%
Sulfur - 18%
Charcoal (airfloat) - 12%
Al (-325 mesh,spherical) - 8%
Dextrin - 6%
Sodium bicarbonate [NaHCO3] - 2%
Danger

It's a not particularly dangerous substance, but it can reach high temperature
it is recommended to handle it with care
Video
Youtube video
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