Easy to solder QFN56 adapter board as the ground pad can be soldered from the otherside :-)
RP2040 MCU purchased new from Digikey
Kit has everything you need and includes the following:
1 x Raspberry Pi RP2040 chip
1 x QFN56 to DIP56 2.54mm adapter board
2 x 2.54mm Header pins
Feel free if you have any questions.
I can solder this for you if you require. - $15AUD