Two mouse brothers, Pip and Squeak, usually try to compete with each other, but their relationship finally changes when they prepare for their annual party.
Alex compares his younger brother William with himself and concludes that because William is so different, he must have come from outer space to join this otherwise perfect family.
Three sisters, who compete constantly to see who is the smartest, fastest, or prettiest, vie for the Queen of the World crown, awarded to the sister who makes the best birthday gift for Mom.
In Korea in 1473, eleven-year-old Young-sup overcomes his rivalry with his older brother Kee-sup, who as the first-born son receives special treatment from their father, and combines his kite-flying skill with Kee-sup's kite-making skill in an attempt to win the New Year kite-fighting competition.