The LED Lighting Kit for Lego 31212 Milky Way Galaxy is a set of colorful lights designed specifically for Lego building sets. Made from plant-based plastic and traditional plastic, these lights are compatible with Lego products and provide a unique and creative way to illuminate your Milky Way Galaxy model. The LED lights add a fun and engaging element to the building experience, making it more exciting for both children and adult Lego enthusiasts.