Solderless Breadboard for Raspberry Pi Pico by Monk Makes : ID 5422 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
SB Components Raspberry Pi Pico Breadboard Kit | Elektor
Raspberry Pi Pico/W Breadboard Kit with 3.5 Inch Touch Screen Breakout Board | eBay
Multi-purpose Breadboard Kit for Raspberry Pi Pico from SB Components on Tindie
HJ Garden Electronic Component Assorted Kit for Arduino, Raspberry Pi, STM32 etc. 830 Breadboard + Jumper + Power Module + Resistor + Capacitor + LED + S (Pack of 458pcs) - Walmart.com
28 Pin GPIO Breakout Breadboard Kit for Raspberry-Pi,
Holder Breadboard Kit w/ 830 points for Raspberry Pi & Arduino Uno R3, Mega 2560 - RobotShop
5325 - Kitronik - Discovery Kit, Raspberry Pi Pico, BBC micro:bit
Amazon.com: GeeekPi Raspberry Pi Pico / Pico W Basic Starter Kit, Raspberry Pi Pico / Pico W BreadBoard Kit with Half-Size Breadboard, Jumper Wire Pack(Raspberry Pi Pico / Pico W Not Included) :
Amazon.com: KEYESTUDIO GPIO Breakout Kit for Raspberry Pi - Assembled Pi Breakout + Rainbow Ribbon Cable + 400 Tie Points Solderless Breadboard : Electronics
Breakout Card Kit Pluggable-Prototype SM/TH for Raspberry Pi
SunFounder Raspberry Pi RAB Holder Breadboard Kit with 830 Points sold – sunfounder.net