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making chocolate chip, candied peel and raisin fairy cakes
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making fizzy lemon drink (water, sugar, lemon juice and bicarbonate of sode - hmmm not overly convinced but it gives you the idea !!)
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making electricity by rubbing a plastic spoon on a cloth so that the salt and pepper sticks to it I can understand (friction) - but I still can't figure out how putting a copper coin on top of a slice of gherkin on top of a sheet of aluminium foil can make electricity ??? !
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