Package includes: This kit includes a light string and USB interface please note that it does not include LEGO molds. User Guide: This kit contains instructions detailed installation instructions and operability. As a gift to children with toys friends are a good choice. Manufacturered by Hima. Note: This set of lamps is powered by the USB interface. Please gently organize the lines do not tear them hard. After-sales: If you encounter any problems including use and quality etc. please do not hesitate to contact us we are always by your side! This is a set of lighting fixtures specially designed for the Lego 21034 that will light up your Architecture London Skyline Collection making it more sophisticated and more fun.