Decorate marshmallow bunny. Melt white Candy Melts candy according to package directions. Place three PEEPS side-by-side on parchment-covered board. Use melted white candy in cut disposable decorating bag to join the body sections of the three PEEPS. Chill until set, approx. 3 minutes.
Place marshmallow bunny trios on cooling grid. Pipe melted white candy over bottom half of bunnies, up to necks. Tap to smooth and remove excess candy. Immediately place confetti sprinkles on candy. Place bunnies on parchment-covered board. Chill until set, 10 to 15 minutes.
Note: If desired, you can put marshmallows cut in half behind the bunnies' heads for pillows.