De Que Estoy Hecho?

Con más de 100 juegos mentales para hacer a contrarreloj, este libro es la mejor forma de ejercitar tu mente. Encontrarás sudokus, laberintos, escaleras de palabras, batallas navales, buscaminas y desafíos de memoria. ¡Es la hora de poner a prueba tu cerebro!.

¿Qué sabes de los dinosaurios? ¿Sabes cuál es el fósil más antiguo? ¿Conoces a Otzi, el hombre congelado de las nieves? ¿Cuáles son las maravillas de la naturaleza? ¿Te apetece recorrer el mundo en busca de tesoros escondidos? ¿Sabes distinguir una falsificación?

It is the third Monday in January and school is closed. But do you know why? It's Martin Luther King Jr. Day. Turn the pages of this book to find out what dream Dr. King shared with the world, who Mohandas Gandhi was, how one brave woman helped Martin Luther King Jr. change history. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.

Did you know that the first wheel was not invented for transportation or that the system used to create computers was based on the functionality of a sewing machine? In a fun way, this book teaches the history behind inventions that have changed the way we live, from Ancient Mesopotamia to the present. Important details appear at the bottom of each page, including the name of the inventor, the time period, and the place where it occurred.