Lots of big-time tech execs have been taking the “Ice Bucket Challenge” this week, dumping buckets of cold water over their heads to raise awareness for ALS, but Bill Gates takes things to a whole new level in this video, just posted online.

Gotta love that blowtorch! But really, Comic Sans on the blueprints? Come on, BillG!

Gates, who was challenged by Facebook CEO Mark Zuckerberg, in turn issues his own challenge to three others: Ryan Seacrest, Elon Musk and Chris Anderson of TED.