Bake and cool Mini Jack-O-Lantern cake. To make arms and legs, cut 4 lollipop sticks to 2 1/2 in. lengths. Make a small slit in side of mini marshmallows (half way through) and wrap 3 around each stick for arm and leg. Note: Leave ends of lollipop sticks exposed to accommodate hands and feet. Insert arms and legs into large marshmallow for body. Trim facial features off Jack-O-Lantern cake; insert lollipop stick into bottom and then into large marshmallow "body".
Place Jack-O-Lantern body on cooling grid positioned over cookie sheet. Melt candy according to package directions and tint orange. Pour candy over Jack-O-Lantern. Refrigerate Jack-O-Lantern until set.
Roll green and purple spice drops on surface sprinkled with granulated sugar. Cut hands and feet shape from green spice drops with paring knife and position on body. Cut bow tie shape from purple spice drops and attach at neck with melted candy. Attach green spice drop for pumpkin stem with melted candy.
Pipe whites of eyes with tip 4 and royal icing (smooth with finger dipped in cornstarch). Use tip 3 to pipe in eye pupils (smooth with finger dipped in cornstarch), nose, tooth and outline mouth.