- Upgrade your model: This LED light kit is specially designed for the lego up house with balloons kit. After adding the lights to the original lego up house blocks, the multi-color lights and wires blend with your model for a sophisticated, gorgeous appearance and festive ambiance, especially for Christmas. - Materials and technology: The lego up LED lights are compact and delicate. The combination of craftsmanship and handmade work delivers better quality and detail. The light wires are designed to be hidden when installed, creating a clean LED illumination effect. This kit makes a great Christmas gift. - Installation guide: The lights for the up house lego set come with detailed illustrated instructions. Follow the step-by-step images to install and use easily, making the DIY process enjoyable and straightforward. - Power supply and safety: All lights operate at 5V, a low voltage for safety. The kit includes a USB cable and battery box (batteries not included). It can be powered by a power bank, wall charger, or any USB port device with output under 6V. Easy to operate. - Please note: This product includes only the light set; lego building blocks are not included. If you have any questions, please contact us or ask via QA, and we will respond as soon as possible. - Use scenarios: - Christmas display: bright, colorful illumination enhances a Lego Up House display on a mantel or shelf. - LEGO diorama showcase: subtle lighting highlights details in a display case or bookshelf. - Gift option: a thoughtful, ready-to-use accessory for LEGO fans and hobbyists.