Here are five retro sweetshop mysteries that still puzzle us today:5. Nostalgia factor: Every time a “retro chocolate” thread pops up online, someone brings up The Secret, and half the comments are just: “Wait, did I dream that?”4. 5, 4, 3, 2, 1 Bar (1980s–90s)The mystery: A mash-up of wafer, biscuit, caramel, and cereal, covered in chocolate. Toffo (discontinued 2005)The mystery: A chewy toffee sweet made by Mackintosh, available in rolls and multiple flavours — banana toffee being the stuff of playground legend. Nostalgia factor: Spangles remain the number-one “bring it back” sweet in the UK.