Tint cake batter pink or blue. Bake and cool cake.
Use cake pan as pattern to cut double cake boards and cover with foil.
Ice smooth background areas with white icing.
Pipe outlines with tip 3: Use light yellow icing for buggy and hood indentations; light green icing for center band on buggy.
Pipe stars with tip 16: Use light yellow icing for hood and base of buggy; light green icing for center band of buggy.
To make wheels, pipe spokes using tip 5 and light green icing; pipe tip 12 wheel; pat smooth with finger dipped in cornstarch. Pipe tip 12 dot in centers of wheels; pat smooth.
For handle, pipe outline using tip 12 and light green icing; pat smooth.
Make seven to ten flowers. Pipe five teardrops using tip 3 and white icing. Add tip 3 yellow dot centers. Position one flower on each wheel center. Position five flowers at base of buggy hood; attach all with icing.
Print message using tip 4 and light green icing.
To make baby, color 2 3/4 oz. of fondant light creamy peach. Roll out 1/4 in. thick. Use largest round Cut-Out to cut head. Tint 1/4 oz. of fondant black; roll 1/16 in. thick. Use tip 2A to cut sunglasses; trim off 1/4 in. from top of glasses. Roll a small piece of light creamy peach fondant for nose and a small pieces of black fondant for mouth and center of glasses; attach to cake with icing.
The star tip creates the most celebrated, easily accomplished decorations! The serrated edges of the star tip make ridges in the icing as you squeeze it out. Because fill in requires so much piping from the same bag, keep replenishing icing in bag.