Absolutely! Mixing LED and incandescent lights can create a truly unique and festive display. LED lights are more energy-efficient and produce less heat, making them ideal for indoor decorations. Incandescent lights provide a warm, cozy glow that's perfect for outdoor decorations. Combining the two can create a beautiful blend of colors and textures that will make your Christmas display truly one-of-a-kind! Just be sure to use caution when mixing different types of lights, as certain combinations may not be safe or compatible.