Originally Posted by
thcrozier
Yes, that's exactly how it works!
Someone has said it may have been contained in a 330 ml fiz can. This should not weigh more than 300 gm. Would a little tin of fizz weighing in at 1 kg been rather odd. Add to this a trigger/detonator/timer for it to go fizz bang boom, the little can would need to have all the internal dimensions of Tardis.