Raspberry Pi Pico Starter Kit is an electronic starter kit that is designed for the Raspberry Pico. The kit provides some basic electronic components such as LEDs, buttons, and photo-diode.
The Wiki contains instructions and project examples: http://wiki.elecfreaks.com/en/pico/picoed/circuit-design/picoed-starter-kit/
What’s Included
1 x Breadboard
2 x Push-button switches
5 x Green LEDs
5 x Yellow LEDs
5 x Red LEDs
10 x 100Ω resistors
1 x Photodiode
1 x USB cable
Jumper wires
* You will also need a Raspberry Pi Pico that is not included.