Level 1 For kids above 5 years old

The most famous dinosaur of them all, the T-rex was armed with jaws which remain the most powerful weapon nature has ever created.

Teeth of different shapes do different jobs, front teeth, pointed teeth, premolars, and molars teeth.

A mermaid is described as having the head and body of a woman and a fish's tail below the waist.

A polar bear is a great white northern bear found throughout the Arctic region.

Bigfoot is a large and hairy human-like mythical creature purported to inhabit forests in North America.

Sea snakes are reptiles , there are more than 50 different kinds of sea snakes that come in different colors.