10Pcs Pro Mini Module Atmega328
10pcs Arduino Nano 3.0 ATmega328 Mini-USB Board with USB Cable
10pcs Pro Micro Arduino ATmega32U4 5V/16MHz (Leonardo)
20pcs board+20 pcs cable: UNO R3 with MEGA328P and ATMEGA16U2
10pcs Digispark development board with ATTINY85
Beetle Leonardo USB ATmega32U4 development board