Using this Elecfreaks Smart Coding Kit is easy. First, gather all the components in the kit. Then, follow the steps to connect the parts based on the micro:bit button cell extension board Pro. You can start building your DIY micro:bit watch. When handling the components, be gentle to avoid damage. Store the kit in a dry and clean place to prevent dust and moisture. If you encounter any problems, refer to the included documentation. Have fun coding and creating with this great kit!