Decorate mini cakes. Use tip 3 and rose icing to pipe mouth and nose. Use tip 3 and blue icing to pipe dot eyes. Use tip 2 and violet icing to pipe whiskers.
For ears, use tip 2 and orange icing to outline inner ear. Use tip 3 and rose icing to fill in middle ear. Pat smooth with finger dipped in cornstarch. Use tip 2 and green icing to pipe dots.