Think of a Number

Season 1 Episode 3: Materials

This week Johnny looks at family trees, works out how to get rid of a boomerang, puts nylon in an endless spin and turns a fossil back into a dinosaur with the aid of an element that never forgets. Meanwhile - Think of a Number - a half is a third of it - what's the number ?

Genre:

Family, Kids

Seasons:

5

Episodes:

30

Cast:

Johnny Ball

Quality:

HD

Duration:

30 min

First Air:

1978

Rating:

7.7