Mix green and yellow fondant together to get lime green fondant then roll to desired thickness. Cut a square to cover the cake drum leaving a little extra to trim. Use flexible poly blade to trim the excess fondant from the board. Use fabric ribbon to cover edges of drum.
Roll light blue fondant to desired thickness and cover the cake. Place cake on the back of the board leaving plenty of room for the creatures in the front. Roll other fondant thin and cut clouds, sun and grass using Nature Cutter Set. Apply pieces to cake with piping gel. Cut letters from alphabet cutters and apply to cake using piping gel. Place creatures on top of lime green fondant using piping gel to secure them.