While pondering how to buy her mother a birthday present with no money, Deena find a penny and follows a process of discovery about how pennies add up to nickels, which add up to dimes, all the way up to four quarters making a dollar.
Stranded on the moon after his extraordinary airplane takes him into outer space, a boy meets a marooned young Martian with a broken spacecraft, and the two new friends work together to return to their respective homes.
After safeguarding her heart in a bottle hung around her neck, a girl finds the bottle growing heavier and her interest in things around her becoming smaller.
For a chance to win a trip to Space Camp, Jim sets out to collect 10,000 Blast Off Energy Bar wrappers, grouping them as he goes to make counting easier, and soon the whole town is helping him out.
Two pen pals who live in different parts of the world write back and forth and tell each other about the events and traditions that take place during each month of the year.