This Light My Bricks LEGO lighting kit contains everything you need to add lights to your LEGO 21330 set. With a range of different light chains and effect boards, you can bring the McCallister house to life piece by piece during the Christmas season. Light my Bricks offer LEGO fans an easy way to add LED lights to their LEGO models. All components in the Light my Bricks sets are plug-and-play - no electronics knowledge is required for installation. Light my Bricks parts are small and delicate enough to fit between and under LEGO bricks. With detailed step-by-step instructions (picture-by-picture instructions with little English text), anyone can add LEDs to their existing LEGO set to make it light up. Contents: 12 x bit lights white with 30 cm cable 5 x bit lights white with 15 cm cable 2 x bit lights red with 30 cm cable 2 x bit lights orange with 30 cm cable 40 x micro bit lights white with 30 cm cable 4 x bit lights flashing white with 30 cm cable 9 x adhesive strips with white LEDs 1 x 2-port expansion card 2 x 6-port expansion card 4 x 8-port expansion card 2 x 2-4-port micro expansion card 6 x 2-8-portMicro expansion card 4 x Effect board for flickering lighting 12 x Connecting cable 5 cm 2 x Connecting cable 15 cm 8 x Connecting cable 30 cm 2 x Connecting cable 50 cm 1 x Battery pack (holder) flat for 2 CR2032 batteries (batteries not included ) 1 x USB power cable 30cm (power source not included) 3 x Set of wireless connection contacts 11 x Various LEGO parts for easy assembly.