Pen ink that is only visible when no light is on it.

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Caffeine-free water . From: weird japan's Diet water xD

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Guide dogs for the colour blind.

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Barbie

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Feminism

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A car that runs on human blood.

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A car that uses molten gold for fuel instead of gasoline.

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Telescope contact lenses for farsightedness

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Solar powered torch

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The spork, I have a spoon and a fork and they only take 5 seconds to wash.

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Thumbs up if you hate Obama.

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See-through, endothermic showercurtains.

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A time machine that can only move forward at normal speed

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the microwave crockpot

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a machine that doesn't point

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neon invisibilty cloak

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A battery-powered battery charger

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men.

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See Through Shower Curtains.

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Batteries sold separately....

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Fireproof Submarines.

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3-D television

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A coupon for scissors that you have to cut out.

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charcoal operated battery electric-powered generator LPG operated cellphone human-powered helicopter

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Pointless Inventions

Sometimes an invention is so useless it's almost hilarious. Check out these pointless inventions and create your own!