- History of Clocks
- History of Clocks with Pictures
- A Walk through Time
- It's All About Time
- Inventor of the Pendulum Clock #1
- Inventor of the Pendulum Clock #2
- Picture of the Grandfather Clock
- Atomic Clocks
- Pick a Cyber Invention
- How Things Work
- A Century of Inventions
- Beyond 2000
- Invention Trivia