Decorate donuts. Dip some donuts in chocolate glaze and some in vanilla glaze.
Prepare two decorating bags separately with remaining chocolate and vanilla glaze. Cut 1/4 in. tip off each bag. Drizzle chocolate glaze over some vanilla donuts and vanilla glaze over some chocolate donuts, leaving some donuts without drizzle, if desired. Top all donuts with sprinkles.
Stack donuts on cake platter. Top with candles.