For cake top hills: With rotary cutter, cut a light green piece across long edge of Sugar Sheets!, 3 1/2 in. high for highest layer. Use rotary cutter to cut wavy top line. Cut a second piece to complete hill to edge of cake. Attach. Cut two more layers of hills as above, 2 1/2 in. high for center layer, 1 1/2in. high for bottom layer. Set aside under storage board flap.