This Arduino learning kit is most suited for beginners. Includes 9 courses with 16 modules in total. No soldering needed. Freaduino UNO included.
AVR ATMEGA2560 based development board. When you run out of pins with Arduino Uno, this is the next level. 54 digital I/O pins and 16 analog input pins. You can find this board in many open source 3D printers.
ARDUINO STARTER KIT
This Arduino Uno R3 is the most popular AVR ATMEGA328 based testing, learning and prototyping board.