Create a playful mathematics quiz-card background showing colorful wooden blocks, geometric solids, a compass, a ruler, and scattered number-shaped tiles with their faces turned away from the viewer. Use a cheerful tabletop perspective, lemon yellow, turquoise, cherry red, and violet accents, bright diffuse classroom light, crisp rounded 3D forms, and a calm central area reserved for a question to be added later. No text, no watermark.