The Kiwikit expands the Raspberry Pi Pico with several ports and even a small display. The development board also has two LEDs, three buttons and breakouts for several GPIO pins, among other features.
https://www.notebookcheck.net/Raspberry-Pi-Pico-Transform-the-new-single-board-computer-into-an-expanded-development-board-with-the-Kiwikit.524084.0.html