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Invisible Ink

Operation Ouch! Do Try This at Home Series 3

Episode 3 of 10

Did you know your body contains invisible ink! Find out how, and make your own in today’s Do Try experiment.

Available now

14 minutes

Last on

Wed 14 May 2025 09:25

CBBC

More episodes

Eye Gunk—Series 3

See all episodes from Operation Ouch! Do Try This at Home

Role	Contributor
Presenter	Alexander van Tulleken
Presenter	Christopher van Tulleken
Director	Jamie McLeish
Executive Producer	Romily Menzies

Wed 1 Feb 2023 08:10

CBBC
Wed 15 Feb 2023 08:10

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Wed 22 Mar 2023 09:20

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Sun 14 May 2023 09:30

CBBC
Fri 26 May 2023 11:20

CBBC
Wed 14 Jun 2023 11:20

CBBC
Fri 29 Nov 2024 17:30

CBBC
Wed 4 Dec 2024 11:15

CBBC
Sun 11 May 2025 12:05

CBBC
Wed 14 May 2025 09:25

CBBC

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