[IllumiNaughtyByNature]

An M-250 is not a firecracker. it is a quarter stick of dynamite, IIRC.

[House Atreides]

“An M-250 is not a firecracker. it is a quarter stick of dynamite, IIRC.”
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It’s a firework—albeit illegal in most jurisdictions.

http://www.wfboom.com/illegal.html