Combine brown and red-red icing colors for brown shown. Make 2 copies of each monkey pattern; place 1 copy on board, cover with waxed paper and secure with tape, use 2nd copy for reference while piping. Build up body with tip 10; smooth with spatula.
Pipe in tip 8 stomach (pat smooth with finger dipped in cornstarch). Pipe tip 8 ball head; pipe in face and ears with tip 3 (pat smooth with finger dipped in cornstarch). Pipe tip 6 outline legs, arms, and tail.
Pipe tip 3 dot eyes and outline mouth, tip 1 dot nose.