Big Letter Lights Quick Assembly: Pre-cut foam boards with numbered side panels (no front/back distinction) make setup simple: 1. Unfold the base, and assemble the panels in numbered order, then insert into the slots; 2. Indoor use in calm conditions requires no glue and is reusable thanks to the tight mortise-and-tenon design (use glue for windy outdoor use); 3. Install bulbs as shown in the manual.(Hot glue gun & sticks included) Big Light Up Letters: Made of sturdy yet lightweight foam board with LED, easy to move and display anywhere; Place them on a shelf, floor, table, or even use them as a prop for your next photo shoot; At 3ft tall, these marquee letters make a big statement without overwhelming the space—perfect for indoor and outdoor party decor, baby showers, weddings, birthdays, and more Package & Battery Operated: Includes 1 marquee light-up letter, 1 set of lights, 1 instruction manual, 1 hot glue gun and 4 glue sticks; Measures 3ft high, 0.39ft thick and 1.73ft wide. Powered by 3 AA batteries (not included) with no messy wires, safe for long-term use, won’t overheat, and kid-friendly. Replace batteries when lights dim. DIY Words Freely: Includes A–Z letters, 0–9 numbers, and “&” symbol, allowing you to create any word or theme for festivals and special occasions; Spell out “1” for a baby’s first birthday, “60” for an anniversary, or phrases like “MARRY ME,” “I LOVE YOU,” “HAPPY BIRTHDAY,” “NEW YEAR,” “JOY,” “BAR,” “MR & MRS,” “XMAS,” and more; Light up your favorite words to celebrate events or decorate your home Outdoor Ready & Widely Used: Perfect for sunny outdoor events; For windy conditions, simply weigh down the base with a soda can to keep the letters stable; These LED letters are ideal for lighting up names, initials, or favorite words at festivals, themed parties, Christmas, weddings, birthdays, baby showers, bars, cafes, and home décor