Think of a Number - Season 1

Season 1
Episodes

Materials
Johnny Ball looks at family trees, boomerangs and nylon, and turns a fossil back into a dinosaur!

Water
In this edition, the theme is water. Johnny Ball considers icebergs, soap bubbles, model divers and John Lethbridge's early diving bell.

The Shape of Wealth
Johnny Ball introduces a focus on wealth, including a giant Roll a Penny game, dice, diamonds, the Crown Jewels and gold bars.

Episode 4

Episode 5

Episode 6
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