If you're new to Arduino and want to get started with it, a beginner's kit can be a great way to begin your journey. Arduino beginner kits typically
Arduino Starter Kit with Arduino UNO R3, Breadboard, LED, Resistor,Jumper Wires and Power Supply - build more than 10 DIY Projects
Arduino Uno R3 Development Board - Control Voltage
Arduino Leonardo is another popular development board based on the ATmega32u4 Microcontroller.
Arduino Leonardo R3 Board
Buy Arduino Uno R3 Development Board Online – QuartzComponents
SainSmart Uno R3 Starter Kit –
SunFounder Controller Board Compatible with Arduino UNO R3 ATMEGA328P ATMEGA16U2 : Electronics
UNO R3 Board ATmega328P ATMEGA16U2 Development Board Compatible With Arduino - Rexqualis Industries,Ingenious & fun DIY electronics and kits
Quartz Components for Android - Download
Open-source electronics prototyping platform
Arduino Uno R3 Development Board
Original Arduino Uno R3 ATMega16U2 ATmega328P Microcontroller Board Of – Aideepen
SainSmart Uno R3 Starter Kit –
Arduino Uno - R3 SMD - DEV-11224 - SparkFun Electronics