If you're looking for a creative and eco-friendly way to label your outdoor plant boxes, repurposing old engines as plant markers might be the perfect solution. Small engines, such as those from broken appliances or toy cars, can be transformed into unique and durable garden markers. Simply clean the engine parts, paint them if desired, and attach them to stakes or directly into the soil. This DIY project not only adds a quirky touch to your garden but also helps reduce waste by upcycling materials. Ensure the engines are free of oil or harmful chemicals before use, and enjoy a one-of-a-kind way to identify your plants!