This vending machine for electronic parts also offers Raspberry Pis, we encountered it at the local hackerspace where the Reddit Global Meetup in Stuttgart took place : r/raspberry_pi
MODERN VENDING MACHINE GUI USING RASPBERRY PI WITH DJANGO : 4 Steps - Instructables
DIY Raspberry Pi vending machine - Geeky Gadgets
Raspberry Pi Off-World Bartender - Raspberry Pi
A Raspberry Pi + Vintage Vending Machine = Perfect Viral Marketing - Hackster.io
This Open Source Robot Bartender Pours the Perfect Mix | WIRED
DIY Automatic Water Vending Machine using Arduino
This Raspberry Pi Cocktail Maker Was Inspired By Blade Runner | Tom's Hardware
Raspberry Pi Bartender : 12 Steps (with Pictures) - Instructables
47 Raspberry Pi Projects You Can Build at Home | Make: