$17.59 – RP2040 Development Board Starter Kit Compatible with Raspberry Pi RPi PICO Kit for DIY Programming.
I have just checked coupons. The lowest price I could get is $17.59 for RP2040 Development Board Starter Kit (in Banggood). Check coupons or create price alert down below. Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($17.59)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. Good or bad price? Well, according to CouponsFromChina database this price is the best in history (3 records).
Link: Banggood product page
Price: $17.59
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for RP2040 Development Board Starter Kit? There we go. The lowest price was: $17.59.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).