They are thin chew bars with coloured pieces of sherbet inside.
Wham Bars were introduced in the early 1980s by McCowan's, a Scottish confectionery manufacturer based in Stenhousemuir.
[1][2] At the peak of their popularity, sales of Wham Bars were 30 million per year.
On 21 September 2011 it was announced that New McCowans Ltd, the makers of Wham Bars, were going into administration.
[5] On 14 October 2011 it was announced that the Wham Bar and Highland Toffee brands had been bought by Tangerine Confectionery.