Assembly Needed: Each marquee numbers are pre-cut frame with slots, 1) Match the slots on the board and put all boards together by hot glue. 2) Screw the bulbs on the board and install 3 AA batteries. (Noted: Glue gun and batteries are not included) Customize your Party: Our large marquee numbers for you to freely customize your party theme, a perfect backdrop to decorate any of your romantic party and celebrating occasion Highlight of your Party: Light up numbers are 3 feet tall / 36 inches / 91 cm. Large light up letters in blocked font design will serve as the attractive finished point of your birthday party, graduation party, engagement, proposal, anniversary, wedding decorations, baby shower event decors Package Includes: A set of light up numbers 3 ft for party containing the pre-cut number frames, a light bulb string and assembly instruction. It will be a good family crafts project with kids or friends to put the numbers together Good Customer Service: Our 3 ft marquee numbers are made of FOAM BOARD and can be used once or for limited use as party decorations. If you are not satisfied for any reason, we will try our best to provide a satisfatory solution