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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.

6 months left to watch

14 minutes

Last on

Wed 10 Dec 2025 09:25
CBBC

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Super Sensitive SkinSeries 3

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Eye GunkSeries 3

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

Credits

Presenter Alexander van Tulleken
Presenter Chris van Tulleken
Director Jamie McLeish
Executive Producer Romily Menzies

Broadcasts

  • Wed 1 Feb 2023 08:10
    CBBC
  • Wed 15 Feb 2023 08:10
    CBBC
  • Wed 22 Mar 2023 09:20
    CBBC
  • 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
  • Wed 10 Dec 2025 09:25
    CBBC