Please take note of the following text. If you have any questions, feel free to contact us and we will do our best to solve the problem until you are satisfied. This item includes: - 1 standard LED lighting set - 1 battery box (you need to prepare the batteries yourself) Designed for the Mandalorian Helmet 75328, this LED light kit is based on the Mandalorian building model. It will light up your Mandalorian Helmet and make your building blocks more shiny and interesting. Please note that this product only includes the LED lighting set and not the model itself. The Mandalorian Helmet LED light kit is handmade with ABS material and is free from burrs and odors, making it safe to use. It can be powered by either USB or AAA batteries (batteries not included). The 75328 block light set has a uniform light pattern and the cable connectors fit nicely together. The inner copper lines feature anti-heat and anti-burning properties. This light kit makes a great gift for LEGO fans. You can give it as a birthday present or surprise treat to yourself or a passionate LEGO builder. It will not only liven up their models, but also allow them to show off to their friends. Imagine how happy they will be when they receive this light set pack! To install this set of lighting, please follow the electronic manual step by step. Be sure to install the LED light carefully and avoid pulling it hard or bending or shaking it. For a brighter effect, USB is recommended. The voltage should be less than 1A 5V to avoid damage.