At least 3 days in advance: Make storks. Prepare cake base. Attach a cake board to bottom of craft block with icing and wrap with foil. Tint 8 oz. fondant blue, 8 oz. green, reserve 8 oz. white. Roll fondant 1/8 in. thick and cut4 x 16 in. blue runway strip and 6 x 16 in. grass strip. Brush backs with water and attach to cake base; smooth strips together. Attach white ribbon to base of craft block and icing decorations to ribbon with royal icing; let dry. To make baby conveyor belt, roll out and cut 4 x 3/4 in. strip of white fondant; let dry on waxed paper board covered with cornstarch. Keep prepared base away from light to prevent fading.