Like Ship Snow, Yo, Vitality Air was started as a joke. The Canadian company sells bottled air from Lake Louise in the Rocky Mountains for $32 (£22) per canister. The canisters sell particularly well in China, and demands spikes when air quality worsens in polluted cities like Beijing and Shanghai. The air is also marketed to athletes to help them with recovery and even pregnant mothers who want a break from polluted air.
The perfect break-up revenge gift, Dirty Rotten Flowers charges from $30 (£21) to send a bouquet of decaying flowers to whoever you choose.
If you're one of those people who loathes opening birthday cards filled with glitter that goes absolutely everywhere, this one's for you. US company Ship Your Enemies Glitter, which was started as a joke company, does just that – a great way to prank your pals or get back at somebody you don't like. But the company doesn't just offer glitter, you can buy other prank products including an Apple Pie-scented candle and a bag of dirt.
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Potato Parcel is the brainchild of Alex Craig from North Texas, who launched the company half-jokingly. The firm, which can stamp the message of your choice on a spud for $14.99, is turning over thousands of dollars a month. The business also prints faces and pets on potatoes.
Artisans at this ethical fur company based in Massachusetts work with 'accidental fur' recovered from highways in the state to produce a range of apparel. Items on sale include pom pom hats, neck wraps and equestrian helmet covers.
Northern Irish travel company MyBaggage is selling bottled British rainwater to expats in countries such as Australia and Spain who are looking for a taste of home. The 500ml water bottles, which have a special nozzle to give the effect of rain, are on sale for £20 ($28).
Who doesn't love the feeling of fresh grass between their toes? KUSA flip flops have created sandals with synthetic grass soles so that you can feel the grass beneath your feet wherever you go. They sell for $19.95 (£14.10).
Yes, you read that right. Literally a rock in a box of hay, complete with breathing holes, this simple toy was invented by former advertising exec Gary Dahl in 1975, who marketed the rock as a pet that requires absolutely no caring for. Dahl came up with this unique idea when listening to his friends complain about having to look after their actual real-life pets. Dahl earned up to $15 million (£6m) during the mid-70s, despite the Pet Rocks only costing $3.95 (£1.60) each.