Sonic's Trick or Treat Blasts are delicious new frozen desserts which include Snickers, M&M's, delicious Oreo cookie chunks, vanilla ice cream, and sometimes chocolate syrup. Halloween favorite among desserts Sonic's Trick or Treat Blasts will be available from November 1st and will be unique due to three different delicious chocolates paired with 100% real ice cream by Sonic. The delicious chocolate Halloween dessert in the form of a custom mouse cursor called Sonic's Trick or Treat Blasts cursor!