4

Famous Americans: George Washington

3

Clayton Does The Unthinkable

4

Maddy's Washington, D.C. Diary

3

Clayton Does The Unthinkable

4

Jewels, Gemstones, and Birthstones

3

David Livingstone

4

Maddy's Washington Diary

4

Stonehenge, England

4

Yellowstone National Park

3

Isaac Newton

4

Washington Monument

3

Neptune

4

Dr. Why-Human Body

4

Maddy's New Jersey Diary

4

Polar

4

Maddy's Indiana Diary

3

Nyaminyami The Spirit of the River God

3

Fjords of the World

4

Maddy's Nevada Diary

2

Can I have a cuddle?

3

Isthmuses of the World

4

Maddy's Delaware Diary

4

Chip's Tips on Egypt

3

The Muscular System

3

Mountains of the World

3

Famous People - Part 1

4

Maddy's Tennessee Diary

4

Lightning

4

Chip's Tips on Papua New Guinea

4

Maddy's Michigan Diary