Amazon.com: Raspberry Pi 3 Prototyping Board Proto Breadboard HAT by MakerSpot Soldered with Female Pin Connector PCB for Raspberry Pi 2 Pi 3 A+ B+ (3 Pack) : Electronics
ELEGOO 32 Pcs Double Sided PCB Board Prototype Kit for DIY Soldering with 5 Sizes Compatible with Arduino Kits: Amazon.com: Industrial & Scientific