"A comprehensive high-definition collection of various sports equipment doodles, rendered in a professional bold-line royal blue ink style with a clean hand-drawn marker aesthetic. The set features a classic soccer ball, a basketball hoop with a detailed net, a tennis racket, a baseball bat with a ball, a winner's trophy cup, a volleyball net, a coaching whistle, and a digital stopwatch. Each icon is illustrated with deliberate, thick-weight strokes that maintain a subtle organic ink-on-paper texture, providing a slight realistic hand-crafted feel while remaining exceptionally sharp and crisp. The layout is an organized, spacious grid isolated on a solid, pristine light cream background with extreme high contrast, specifically optimized for perfect digital image tracing into vectors. The artwork contains zero gradients, no messy shadows, and no overlapping parts, ensuring a high-quality commercial-ready 2D graphic asset with clean, bold contours."