Perfect for a 4th birthday, 40th birthday or a 40th anniversary, this "4" Marquee Light-Up Kit is a great addition to DIY decorating supplies. Use it to brighten up a birthday party or anniversary party, or for any other "4" occasion. Decorate the number with your own paint, washi tape, scrapbook paper, glitter or any other embellishments to fit your own personal style. Lights and instructions included. Cardboard. (4 pcs. per set) 8 1/2" Requires 2 "AAA" batteries, not included. Simple assembly required.