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All you need is a black sharpie marker, an eye dropper, some water, a coffee filter and eyes. Take the sharpie marker and draw a dot about the size of a dime on the coffee filter. Next take the eye dropper and fill it with water. Then drop one drop of water in the center of the dot and you will be amazed on what colors make up black!

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Gossanator!

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Q: Science fair projcts material for color chaning?
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