Grades 2 - 5

The English mastiff is the heaviest dog in the world. An adult mastiff tips the scales at more than 250 pounds (113 kg)--as much as a refrigerator! For thousands of years, English mastiffs… More →

In a hidden spot near the water of the Amazon rain forest, a mother capybara gives birth to her babies. So begins the life of the largest rodent on Earth! In this coming-of-age introduction… More →

After a jaguar mother gives birth to her cubs in a hidden den, she fiercely protects them for many months. So begins the life of a baby jaguar. In this coming-of-age introduction to the… More →

A mother kinkajou finds a spot in the hollow of a tree to give birth to her baby. She carefully watches over her little one for up to two weeks, until the tiny, raccoon-like animal can open… More →

What are different types of soil made of, and just how is dirt made? In this title, students will get the opportunity to conduct experiments that will help them learn all they ever wanted to… More →

The cane toad is so big that it can grow to be the size of a soccer ball! To satisfy its huge appetite, it pounces on and devours almost anything that moves--and that will fit into its mouth. More →

Kids just love to investigate what makes things stop and go! In this title, students will have the opportunity to conduct experiments that help them investigate pushing, pulling, and… More →

Just how large is the world's largest octopus? With its arms outstretched, an adult giant Pacific octopus is about as long as a minivan. On top of that, it can weigh a whopping 100 pounds (45 More →

The king cobra is so big that it is about as long as a pickup truck. As if that weren't scary enough, it can also produce enough poison to kill 20 elephants! Steer clear of this slithering… More →

How large is the world's biggest bunny? A Flemish giant rabbit weighs 20 pounds (9 kg)--as much as two cats. The supersized rabbits were first raised in a region called Flanders, which is now More →

We see different colors every day, and we all have a favorite color. But what makes objects different colors? In this title, students will have the opportunity to conduct experiments that… More →

How large is the giant weta? This enormous grasshopper weighs about as much as three full-grown mice and grows to be 4 inches (10 cm) long! These long-legged insects are so heavy that they… More →