Old Christmas lights can be repurposed or recycled in a few ways. You could try giving them to a local thrift store or charitable organization that accepts donations. Alternatively, you could donate them to a local school or community group that may be able to use them for arts and crafts projects or holiday decorations. You can also recycle them by taking them to a recycling center that accepts e-waste. If you're feeling creative, you could use the lights to make your own holiday decorations or artwork.