Boiled sweet (6)

(Another definition for lemon drop that I've seen is " Fruit sweet".)

(Other definitions for toffee that I've seen before include "Confectionery made from sugar and butter" , "Hard-to-chew sweet" , "Caramel" , "Sweet made with heated butter and sugar" , "Chewy sweet" .)

(Other definitions for acid drop that I've seen before include "Lemony candy" , "Boiled sweet with sharp taste" , "Sharp tasting boiled sweet" .)

(Other definitions for barley sugar that I've seen before include "Real as Rugby (anag) - sweet" , "Twisted sweetmeat" , "Amber-coloured sweet" , "Confection (originally made from a cereal)" .)