3

All About History

3

Hank Learns About a Bank

3

Zhen Learns About Inflation

4

Mount Kilimanjaro, Tanzania

2

Four Seasons! Deciduous Forest

4

The American Revolution

3

Hanukkah

3

Work

3

The Skeletal System

3

The Three Little Pigs

4

Eire of the Desert

3

Canyons of the World

2

Snow and Ice! Polar

2

Fall

3

Astronauts

3

Vasco da Gama

2

Timo Gets His First Puppy

2

Flint Goes to the Supermarket

3

Purim

3

The Sun

3

Engineer

3

Ludwig van Beethoven

3

Gulfs of the World

3

Conquer the World

3

Jacques Cousteau

4

The Space Needle

3

Edmund Hillary

3

Saturn

2

Traffic Signs

2

Duke the Good Dog