The colour changing LED in this kit is automatically illuminated and starts to cycle through various patterns when the light sensor has detected that is dark. The kit uses the light activated board with a colour changing LED. Ordering is now easier - order part code 2120 and you will get the light activated switch project kit (part 2112) accompanied with a battery clip, battery cage and rainbow https://elecena.pl/product/16395869/colour-changing-night-light-kit 2020-04-06 https://elecena.pl/product/16395869/colour-changing-night-light-kit 2020-09-01 https://elecena.pl/product/16395869/colour-changing-night-light-kit 2021-03-02 https://elecena.pl/product/16395869/colour-changing-night-light-kit 2025-07-09