Cut green fondant hat band 1 in. wide x 20 in. long; position on hat. Cut green scarf 2 1/4 in. wide x 29 in. long; make folds in scarf and position around top of 10 in. cake. Cut two 2 1/4 in. wide x 9 in. long streamers, attach to scarf. Cut a 2 in. circle for knot on scarf; position. For carrot nose, roll 3/4 in. ball, then roll into 1 1/2 in. long teardrop shape. Use craft knife to make cut marks around nose; position on lollipop stick and insert into cake. To make poinsettia: using pattern, cut 6 large and 6 small petals. Position overlapping petals on side of hat and attach with water. Roll out 6 small yellow fondant dots and position for center of flower.