50 Adivinanzas Para Razonar Bien

This colorful notebook offers children a series of fun and varied exercises and games to develop their logical reasoning skills.

Various exercises and games designed to practice mental calculation for children between seven and nine years old.

Brief biographies of well-known men and women, from ancient time to the present day, who made significant contributions in various fields.

Examines the role of water on earth, how the cycle of evaporation and condensation works, and the effects of water on all forms of life.

When Carlos the rabbit tucks his ears under a hat, he also finds it easier to avoid danger. Includes facts about rabbits.

Este libro ilustrado para niñitos muestra como duermen los papás de los leones, los caballos, los murciélagos, los flamencos, las tortugas, los erizos, y los seres humanos.