I'm guessing this is now an annual thing. This year, it's Rok Tahk: https://twitter.com/Nickelodeon/status/1587124779940663297?s=19
Red jellies, red hots, raspberry candy, red licorice, cherry & strawberry jellybeans ... Several different kinds.
The flat pieces are probably just melted sugar syrup with red food coloring and cinnamon flavoring that is allowed to reharden on a flat tray and then broken up.