A realistic Napalm simulation with a report, a large ball of flames and rolling black smoke.
A great effect for TV and films.
The core effect of each size is smaller but expands and the smoke rolls away. There is hot fallout and after burn with all sizes.
0.5kg - 10'-12' wide x 10'-12' high
1kg - 15'-20' wide x 12'-15' high
2kg - 25' wide x 15' high