Spree
Spree was created by the Sunline Candy Company of St. Louis, MO in the mid-1960s. In the 1970s the brand was bought by Nestle' who markets the candy under the Willy Wonka brand. Spree are assorted sweetart-like disks with a candy shell, sweet on the outside and tart on the inside.
They come in the original flavors which are grape, lemon, lime, cherry and orange.