4

Stonehenge, England

4

Yellowstone National Park

4

Jewels, Gemstones, and Birthstones

3

Isaac Newton

3

Clayton Does The Unthinkable

4

Famous Americans: George Washington

4

Maddy's Washington, D.C. Diary

3

David Livingstone

4

Maddy's Washington Diary

3

Clayton Does The Unthinkable

4

Washington Monument

3

Pressure

3

Coastal Plains of the World

2

Maddy Madcap

3

The Little Mermaid

4

Patsy and Paul at Uluru in Australia

4

Maddy's New Jersey Diary

4

The White House

2

Very Funny Pink Flea Sunny

2

A Gnome with a Mushroom Home

2

Miss Squiggly Squirm

3

Work

3

Harbors of the World

4

Lightning

4

Earthquakes

1

Cosas que son Rosadas

2

Mr. Himy Slimy

4

Dr. Why-Physics

4

Sossusvlei Dunes, Namibia

4

How they work? Motor Vehicles