The little One is deeply saddened: Because she madea small calculation error, she couldn't offer enoughfood to her number friends. She feels uncomfortablethat she can't calculate as well as the other numbers.Luckily the Master of Numbers is there to help her. Hetells her of the castle of the Numbers Fairy, where shecan finally lose her fear of math problems. But onlythe one who reaches it first can claim the valuabletreasure. The number friends start a race. Their way isfull of math problems and exciting challenges. Who willbe the first to reach the castle of the Numbers Fairy?