One Set UNO R3 CH340G+MEGA328P Chip 16Mhz for Arduino UNO R3 Development Board + USB Cable: Amazon.com: Industrial & Scientific
Amazon.com: SB Uno R3 Case Enclosure New Transparent Clear Computer Box Compatible with Arduino UNO R3 : Electronics
Amazon.com: Smraza Basic Starter Kit for Arduino,Breadboard, Power Supply, Jumper Wires, Resistors, LED, Electronic Fun Kit Compatible with Arduino R3, Mega2560, Nano, Raspberry Pi : Electronics
Amazon.com: ELEGOO UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino : Electronics
Amazon.com: ELEGOO Nano Board CH 340/ATmega+328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable) : Electronics
Arduino UNO REV3 [A000066]
GAR Monster Starter Kit for Arduino Uno Mega Nano, Complete Advanced Set w/ ESP32, 25 Sensor Modules, Bluetooth WiFi Ethernet Wireless for Electronics STEM Robotics Projects
Amazon.com: ARDUINO MEGA 2560 REV3 [A000067] : Electronics
Amazon.com: KEYESTUDIO Smart Home Starter Kit for Arduino for Uno R3, Electronics Home Automation Coding Kit, Wooden House DIY Sensor Kit STEM Set for Adults Teens 15+ : Electronics
GAR Monster Starter Kit for Arduino Uno Mega Nano, Complete Advanced Set w/ ESP32, 25 Sensor Modules, Bluetooth WiFi Ethernet Wireless for Electronics STEM Robotics Projects
Amazon.com: seeed studio Grove Beginner Kit for Arduino, Arduino Starter Kit All-in-one for STEAM Teaching, Arduino UNO Compatible Board with 10 Sensors and 12 Projects with Free Course. : Health & Household