if the unusual part is that they DO explode or DON'T explode.

no idea what you mean

Canned Dynamite, 1 pint...

soooo sure Dame Ordinal has no idea what we mean.

jellied black powder. open with care.

sorely tempted to use the American phrase "open a can of whoop-ass" here...

oh Ordinal would make awesome whup-ass

that'll be on the shelf soon.

Actually they are designed to be part of a larger system. I have not decided whether explosions will be a reward or a penalty.

usually that depends on the person