Sculpt an imaginative Easter castle coloring page with bold black outlines. Construct a world of fantasy for kids aged 4-12, blending Easter enchantment with medieval charm. Design a grand castle adorned with Easter decorations, surrounded by whimsical creatures like dragons and griffins. Introduce rockets soaring through the sky, merging dreams and reality. Weave sunflowers, lilies, tulips, and peonies into the landscape with delicate lines, creating a harmonious blend of nature and imagination. Populate the scene with children from diverse cultures, celebrating the joy of Easter in a realm of creativity. Prioritize clear lines to ensure an engaging coloring experience --ar 3:4