Jon Johns

Halloween Head Start: Make Your Own Kryptonite Candy and 3D Spider Rings

Date: This event took place live on October 24 2012

Presented by: Jon Johns


Cost: Free

Duration: Approximately 60 minutes.

Cost: Free

We're sorry, this event has been canceled.

Learn how sugar, vitamin B2, and UV lighting can combine to create glow-in-the-dark Kryptonite candy that not even Superman could resist! Join O'Reilly user group staffer Jon Johns for a fun Google+ hangout where we'll make cool candy and explore 3D printer technology by firing up some super 3D spider rings.

Registration to this free online event includes the Kryptonite candy recipe as well as a template for making your own 3D spider ring at home. This is a guaranteed ghoulish good time!

Kryptonite Candy

About Jon Johns, Community Engagement Specialist

Working most often with User Group Leaders, Jon helps out with many of our Social Media accounts, the User Group Newsletter, and ventures out of the office to attend meetings and events. In his spare time, he cooks, games, and spends evenings looking up at the stars.

Questions? Please send email to