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Elon Musk loves high-tech toys.

The billionaire entrepreneur, who heads SpaceX and the electric-car company Tesla, unveiled a new line of flamethrowers for his tunneling project, The Boring Company, over the weekend with a wild Instagram video.

In the 7-second video, Musk fires up the flamethrower; runs at the camera with a big, goofy smile on his face; and then finally veers away amid peals of laughter.

"Don't do this. Also, I want to be clear that a flamethrower is a super terrible idea. Definitely don't buy one. Unless you like fun," Musk wrote in the Saturday (Jan. 27) Instagram post.

Musk promised that The Boring Company — which aims to ease traffic congestion in cities around the world by building subterranean thoroughfares — would sell the limited-edition, branded flamethrowers after the firm sold more than 50,000 hats in 2017.

Great for roasting nuts

A post shared by Elon Musk (@elonmusk) on

You can preorder one of the gadgets for $500, plus shipping and taxes, here: You can also get a Boring-branded fire extinguisher at the same site, for $30.

If you think this is all an elaborate joke, you can cite for support some of Musk's playful recent tweets, such as this one, from Sunday (Jan. 28): "But wait, there's more: the flamethrower is sentient, its safe word is 'cryptocurrency' and it comes with a free blockchain."

But a few hours later, Musk tweeted "7K," an apparent claim that 7,000 folks have put orders down for the Boring flamethrower. And you can indeed put a flamethrower and a fire extinguisher in your cart at the site listed above, which also features a PayPal link. Maybe this flamethrower business is a welcome stress reliever for Musk, who is gearing up for the maiden launch of SpaceX's huge new Falcon Heavy rocket on Feb. 6.

If you do order one, let us know how it works! The Boring Company says it'll start shipping the flamethrowers in the spring.

Say hello to my little friend …

A post shared by Elon Musk (@elonmusk) on

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