Now you can get the same basic technology for $10 thanks to the explosion in vaping and e-cigarettes. High temperature coils and powerful lithium batteries are cheap and readily available, cranked out by the millions in Chinese factories. Wayne's Workship has posted a detailed tutorial on turning a cheap vape pen into a full blown micro smoke machine for about $25. Browse his other videos to see how he uses a similar unit to produce exhaust plumes and weapons effects in his amazing Iron Man costume.
Via Eric Hart's Prop Agenda.