A car with an engine that's powered by the kinetic energy of the car moving.

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Convertible Submarine

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bottle mouths that snap on top of aluminum cans.

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A water proof water bottle

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ibeprophen with a tendency to give you a headache

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color blind bomb rigger

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Weapons for toddlers

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Directions on how to use soap.

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Moonglasses

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Bullets made from mercury instead of lead

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A solar-powered flashlight.

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America's GAO...General Accounting Office.

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Justin Bieber

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a helicopter without propellers

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Penut butter on a pesticide mouse trap

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Harry styles

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A pen sharpener :)

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advertisements that tell you not to buy anything

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Childsafe knives (blunt)

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A solid Straw.

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9gag

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Inflatable dart board

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Seedless sunflower seeds

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Anti-depressant pills that may cause suicidal tendencies

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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!