Combine pudding mix and milk in large bowl as directed on the package.
Refrigerate until firm.
Crush chocolate wafers into crumbs, using a food processor, or put the wafers into a zip-lock bag and crush with a rolling pin.
Combine red and yellow food coloring in a small bowl.
Stir into pudding thoroughly, until pudding is orange.
Layer pudding with two layers of chocolate crumbs in a parfait cup or glass.
Top each layer of crumbs with chocolate syrup to taste before adding the next pudding layer.
Top each parfait with mandarin oranges and additional chocolate wafer crumbs.