This week on Maker Update, a soap-vomiting unicorn, two new boards from Arduino, a mini marblevator, a neopixel thumb war, pool noodle box bots, gendered razor holders, Lego pinball, an Android tape deck, a business card stylophone, Hobart’s entry level MIG welder, the Voronator, and the Adafruit Crickit. This week’s Cool Tool is the Hobart Handler 140 MIG Welder.