NO BUILDING KITS in the package, we only provide led lights compatible with LEGO 42158 NASA Mars Rover Perseverance High Quality: High-grade ABS materials and copper is adopted to ensure its safety, the durability. And light weight and small size allow the light wires to be well hidden within the model, no worry that your Mars Rover Perseverance would be hurt during installation Update Your Model: It's a fun idea to light up your model with our light compatible with LEGO NASA Mars Rover Perseverance. Surprising decoration lights will make a static display piece into something more interesting and show more hidden details. You couldn't miss it Power Supply: The light kit supports USB cable or battery. Which means you could connect power bank, socket, computer, etc. to power the light through the USB interface. The recommended voltage is less than 5V. And the battery will not be included in our package, if needed, please prepare it for yourselves in advance Warm Tips: When receiving the parcel, please confirm if there are any missing parts and test whether every lamp pellet can light up. Avoid damaging the light wires, please do not over pull, bend or shake it during installation. Any questions, contact us. LEGO is a trademark of the LEGO Group. All light kits are original designs of BrickBling and are not sponsored, authorized, or endorsed by the LEGO Group NO BUILDING KIT, LIGHTS ONLY