Shockers (formerly known as Shock Tarts and SweeTarts Shockers) are a sour and chewy variation on the popular SweeTarts. The original Shock Tarts were developed by Sunmark Candy company, a subsidiary of Nestlé, in St. Louis, Missouri, in the early 1990s. Shock Tarts have since been discontinued, but then rereleased and marketed as `Shockers` un..... Found on http://en.wikipedia.org/wiki/Shockers