USAGE: The Light Set is used to light up 21349 Tuxedo Cat (NOT Include the Lego Set). PRODUCT FEATURE: Warm white LED strip designed to enhance the elegant appearance of your Tuxedo cat, adding a cozy atmosphere, complemented by purple spotlights for a mysterious and unique ambiance, perfect for display and collection! TIPS: The Lighting set is made use of original material purely handmade. It contains 1 USB lighting kits, instruction guide, battery box. Prepare three AA Batteries, or USB Charger and Voltage should be less than 5V to avoid burning. INSTALLATION INSTRUCTION: The light set installation is done to your preference. Please install your led light carefully, no hard pulling and no need to bend or shake it. ABOUT US: Lightailing's light kits make installation easier, effortlessly lighting up your bricks. Additionally, we select premium bricks for both enhanced lighting effects and durability. If you have any problems, please do not hesitate to contact us. Have a happy shopping experience! Lightailing LED light, means to light up the darkness, a fantastic item to light up your 21349 Tuxedo Cat building blocks model. It can make your building blocks become more beautiful and unique and it gives them new vitality. Our products, using environment-friendly material, are all packed in a new charming original box. Quality is guaranteed and all is handmade so you can buy this item without worry.Lightailing's light kits make installation easier, effortlessly lighting up your bricks.Package includes: 1 USB light kits, model set not included, universal and special version instructions guide, battery box. By the way, all of the building blocks set featured in the images and video are just for the lighting show. The package does not include building block sets or figurines. LEGO is a trademark of the LEGO Group, which does not sponsor, authorize or endorse this product. We are dedicated to provide the best after-sale service and premium product for Lego fans around the world. Meanwhile, we provide 2 year after-sales service for our light kit, your satisfaction is a great motivation for us. For more information about our product, Please contact us at any time!