Bring a touch of nostalgia to your tree this Christmas with this adorable blow mold ornament from Mr. Christmas. With blow mold construction, this ornament glows thanks to the Led illumination. It is approximately 5" tall, and this ornament is battery operated 2 x Aa, not included for your convenience. Turn on the ornament, place it in your tree, and let the 6 hour timer do the rest turning your ornament off and back on again 18 hours later. Want your ornament to glow for more than 6 hours Use the steady on option.