Wilton 710-1148 Colorburst Batter Bits, Purple Bright bursts of color add a surprise to the inside of cakes or cupcakes Try mixing other Wilton Colorburst Batter Bits to create your own exciting look! Directions for adding batter bits to batter are included right on the packaging. Wilton Colorburst Batter Bits come in a variety of colors. One package is needed for a standard size cake.