You could buy
You can buy one of the following:
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Carl Sagan's Cosmos DVD
Inspirational and wide-appeal science series. Thirteen episodes, each one hour long. for £11.71 (kn103.40) from source -
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Enough 1p coins to cover your body
Cover your body with a single layer of UK one penny coins in hexagonal close-pack formation for £12.58 (kn111.20) -
Shopping list
You can buy all of the following:
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300 Cups of instant coffee
Cost per cup of instant coffee for £0.05 (kn0.41)