A screen door on a submarine.

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A lightbulb that only turns on when you're looking straight at it

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Training wheels for submarine

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$2 Bill

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that web site

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getting sick

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Martin Luther king Jr's speech.

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glass prison cells

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Hair that dissolves

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africa

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A prison cell with an emergency exit

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An instructional book on how to learn another language, in that language.

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What r they doing at a time like this?

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A Washable Permanent marker.

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an anti-social network service.

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Barak Obama

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Time Travel

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bulletproof gun

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paper unbrella

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Black Light

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solar panels that must be plugged in

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ya mum

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Waterproof Kettle

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Internet

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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!