Well, ideally...[He taps the top of the canister.] Can you set some magic to go off later? Because I'm thinking all it'd need is a spark to go off the moment these are opened to charge the entire thing. If not...just adding a little bit of your magic to them should mean they're charge and won't explode until they're tossed at something.

[Kaveh why....why do you know so much about explosives?]