"It's a magic box. If you put a penny in the box and don't take any out, they will double each day," Joe tells Jerry. "If the penny doubles each day," wonders Jerry, "how long will it take to buy a dark green convertible sports car?"
Will Jerry be able to keep the pennies in the box until it is enough? Or, will he spend it on something smaller. This exciting tale shows the power of doubling.
Available in:Standard Edition
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Dyslexic's Edition
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