AMAZON Alexa is a clever little device. It can turn lights on, control the heating and play music.
And there's a lesser known trick your kids will doubtless find hilarious - you can also ask it to fart for you.
To prompt your Amazon device to let off a bit of gas, all you have to do is say "Alexa, fart".
But if you want her to really go all out, you'll have to pay a few pennies.
One mum found this out the hard way, when her kids ordered the "extreme farts extension pack" - which costs £1.99.
Emily Watson's lads purchased the pack without their mum's knowledge - leaving her confused about where all the fart noises were coming from.
Posting on Facebook, she wrote: "For the last 3 days, all the Alexa's in the house have been farting. Turns out, I actually paid for this to be happening. Anyone want 2 kids?"
She left people in hysterics with the revelation, with Emily's post racking up 30,000 shares, 13,000 likes and 11,000 comments.
Emily also posted a screenshot of her conversation with Amazon, where they agreed to refund her for her kids' purchase.
In it, a customer service advisor says: "I understand your child has accidentally placed an order and you wish to cancel the order with refund...
"Just to confirm, are you referring to 'The Extreme Farts Extension Pack'?"
A bemused Emily replies: "Yes, that's the one".
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Big Fart's extension pack includes "premium" gas explosions like Happy Birthday, Fart Machine Gun, Fly Swatter, Toilet, Very Gassy, Thunderous, Wet and Sassy, and Pants Ripper.
According to the Amazon listing, it "will keep you entertained with toilet humour for hours" and "educate you on a huge variety" of fart names.
Your kids are sure to find it hilarious, but we suspect most parents wouldn't want to fork out for what is essentially a digital whoopie cushion.
Emily is far from the only parent who has fallen foul to this.
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Among the reviews on Amazon were parents moaning: "My little boy managed to buy this expansion without my permission and without having to confirm a password or anything... Glad it was only £1.99 and not £199."
Another annoyed customer said: "my 5 7r old just orderd a pack for this and i dont have purchases enabled. do not install."
While a third quipped: "Ridiculous. if i had realised that you had to pay to hear a fart I would never have bothered. In future ill make do with my husbands free ones".
Earlier today, another mum revealed she hides chocolate in a frozen berries packet so her son doesn’t ‘gorge himself silly’ and parents love the idea.