Cosmos en 3D

Interesting facts and experiments explore the dynamics of a race car engine to teach about air flow and drag, safety equipment and roll cages, the fuel system and horsepower, suspension and track bars, internal combustion, why race cars don't have speedometers, how roof flaps are designed like airplane wings, and more.

Este libro, Jugar a pensar con cuentos, narra las aventuras de la simpática mariquita Juanita que viajando por el mundo trae distintos cuentos, como recuerdos, en su mochila. Y como ese personaje sigue inquieto, su historia si llena de cuestionamientos sobre todo lo que los cuentos le hacen pensar. Este libro es un viaje reflexivo que invita a los niños a pensar mientras se divierten con Juanita y sus interrogantes.

Blue is a beautiful color, and it's all around us, as this volume demonstrates. Readers are presented with multiple vivid hues of the color blue through recognizable objects, such as flowers, fish, and blueberries. They'll also be able to practice their vocabulary while reading comprehensible sentences. They can demonstrate their understanding of the color concept by completing the activity at the end of this book.

Four alien youngsters make a pizza. They explain the colors of each ingredient they add to it. An alien Mom says they made a good lunch and is happy they took charge of making lunch.

Chistes muy originales y entretenidos. Carlos Silveyra presenta esta colección de chistes originales y entretenidos. Muchos de ellos son sobre elefantes, algunos son sobre otras bestias y todos son muy divertidos.