Whales are magnificent creatures. They are the largest mammal to have ever lived on Earth - even larger than dinosaurs. The blue whale is the largest animal that has ever existed and the humpback whale is perhaps the most familiar looking whale. But there are many other types of whales. Whale Explorer introduces 10 fascinating whales. Study them in "practice" mode and then "take the test." "Learn More" gives you additional information and a photo. This educational app makes learning about these underwater creatures fun and engaging. Perfect for the elementary school student.