Give your garden a vintage flair with a DIY windmill made from an old bicycle wheel. Start by removing the spokes from the wheel, leaving only the rim. Attach wooden or metal blades to the rim, evenly spaced around the circumference. Paint the blades in a weathered finish to enhance the vintage look. Mount the windmill on a sturdy pole or post in your garden, making sure it is securely anchored. As the wind blows, the bicycle wheel windmill will spin gracefully, creating a mesmerizing focal point in your outdoor space.