Parma violets.
GOOD dark chocolate. None of the cheap nasty shit. 85% cocoa or better. Especially in lime, salt, or chilli flavor. Salted chilli is even better.
Irn-Bru boilies,
These little hard suckers that are salmiak liquorice in hard 'sucking candy', I.e the kind that lasts ages and doesn't disintegrate.
Everlasting gobstoppers (no joke, about a little less wide than a tennis ball to maybe the same size give or take a bit. The last one I had to drill a hole in through to the center and belt it with a hammer to get it to break, (DON'T do that outside a bag, I did, wasn't thinking, they can give off some nasty ass shrapnel. And make it at least a lump hammer or claw hammer (not the claw side, they are REALLY hard) and having eaten one the less...field expedient, way, a fair few times, they will lasts a month or more if you just wash it when your done and pop it back between your teeth as wide as your jaw can distend (they are way bigger than a human mouth)
The old victory vees before they took the diethyl et
her out of the flavourings. Oldschool. Rectangular shaped slabs, like a headstone but rounded at corners, beige but tasted great. Until they fucked with the recipe.
Aniseed balls are another good'un. Or atomic fireballs, little tiny red gobstoppers a bit bigger than pea-size but with quite a punch.
Nothing on something I had once though, 'toxic waste', my god they are sour. Burnt my tongue before sucking one for more than a minute or so before swallowing whole, (diluteish) sulfuric, or middling strength hydrochloric acid got nothing on those buggers. Damn.