Theoretically the Arduino shouldn’t trigger and throw flames if people are too close, but when kids are running around ... [Rick’s] flame breathing Jack-o-Lantern build tutorial.

ALSO READ: Kitschy Halloween costumes San Antonio kids wore in the 1960s to 1980s ... You have about a week after carving until your jack-o'-lantern really starts to rot, he said.

First, the silly string shooting Jack-o-lantern which you can see above ... this in a manner to avoid spraying directly into some kids eyes. Check out the next two after the break.