Prepare crisped rice cereal treat according to recipe. Press into prepared pan following recipe instructions. Position on foil-wrapped cake board cut to fit.
Trim off engine detail from top of rocket. Ice treat top (but not sides of treat) with yellow tube icing from icing kit.
For door, use scissors to cut fruit leather and attach with icing. For door frame, trim sour jelly straws with scissors and attach. For head, flatten large, green spice drop and attach. For body, cut 2 yellow spice drops in half. Flatten large, yellow spice and trim with scissors. Attach body pieces. For hands and feet, trim green and orange spice drops. Make a small hole with a toothpick in hands and feet; insert ends of licorice. Attach arms and legs. Attach mini chocolate chips and candy-coated chocolates to head with icing.
Cut spice drops in half. With cut sides down, attach spice drops to rocket. Attach sour jelly straw and candies. Note: If icing has crusted over, use tube icing to attach pieces.