8th birthday two-tier cake with a donut on top. The cake features vibrant colors: purple, pink, gold, and light blue. Use the small donuts from job ID c86f29b7-29dc-4946-8839-6c9aac384892 around the side and bottom of the cake. Include intricate decorative details for a festive and celebratory look. No bucket is included in the design. Use the design from job ID c86f29b7-29dc-4946-8839-6c9aac384892 as a reference for the overall style and placement of the elements