Decorate mini cakes. Use tip 47 with smooth band side up and violet icing to pipe two stripes across mini cakes. Use tip 3 and blue icing to pipe wavy lines over stripes. Use tip 3 and green icing to pipe dots in between lines.
For circles, use tip 3 and orange icing to outline circles. Use tip 3 and rose icing to fill in circles. Pat smooth with finger dipped in cornstarch.