*Note: This set is a led lighting kit only, LEGO sets are not included. When enhanced with custom LEGO lighting, The Milky Way Galaxy set transforms into a mesmerizing celestial display. The strategically placed lights illuminate the swirling arms of the galaxy, bringing to life the dynamic and colorful essence of our cosmos. Each star and nebula lights up to create a captivating visual spectacle, accentuating the vastness and beauty of space. The glowing lights simulate the radiance of distant celestial bodies, making it a truly awe-inspiring addition to any room. This light-up feature not only makes the model visually stunning but also enriches the educational experience, highlighting the intricate details and scale of our galaxy. Installation Follow Lightailing step-by-step Instruction Book and you'll find an easier way to make a huge upgrade to your favorite Milky Way Galaxy . All our kits are plug and play - no electronics knowledge needed! Check the components in the box be sure that everything in description comes. Browse on the User Guide , which can be a great help in latter installing. Test the product to see if it works properly before installation. The power supply should be less than 5v to avoid burning. Prepare batteries or brick separator in advance. Returns If you want to cancel the order, it is important to be done before shipment. IMPORTANT NOTE This set is a led lighting kit only, Lego sets are not included. Products are not intended to be used by children under 6 years old. Children who use our products do so under adult supervision.