1971 · 9 episodes
1. Bicycles
February 23, 1971 · 25m
2. Trees
March 2, 1971 · 25m
3. Spirals
March 9, 1971 · 25m
4. Nails
March 16, 1971 · 25m
5. Eggs
March 23, 1971 · 25m
6. Cars
April 6, 1971 · 25m
7. Windows
April 13, 1971 · 25m
8. Water
April 20, 1971 · 25m
9. String
April 27, 1971 · 25m
