I member a couple years ago they had like these test tube shaped bottles filled with sour juice and a sour worm inside of it, that shit was good. Those sour strips like what DippedinButter posted are good too.
i remember warheads being soextreme. i remember when i was 5 or 6 my brother would convince me that i was cool if i kept 3 in my mouth for 2minutes or something stupid...n i did it, and then he would be an asshole and ditch me...