Simple convert for a watercolorbot to a laser engraver

Nice post where the author converted his watercolor bot into a laser engraver.  Note this can be done only with the newer version of the watercolorbot.  I am pretty sure the original kickstarter one may not beable to hold the laser.  Overall the watercolorbot is a neat CNC for kids.  Bit pricy thought ($300).

http://www.evilmadscientist.com/2015/watercolorbot-laser-2/