Pimoroni Pico 2040 Stick https://shop.pimoroni.com/products/plasma-stick-2040-w?variant=40359072301139
Pimoroni Wireless Plasma Kit https://shop.pimoroni.com/products/wireless-plasma-kit?variant=40372594704467
Micropython examples https://github.com/pimoroni/pimoroni-pico/tree/main/micropython/examples/plasma_stick
Getting started guide https://learn.pimoroni.com/article/getting-started-with-pico
Momentary Buttons with the Pico https://youtu.be/aE79yHrRB0g?t=561
Momentary Push Button Switch with Pre-soldered Wires https://www.amazon.co.uk/gp/product/B087V5VKKY/