What You'll Need

  • Celery stick (with leaves still on)
  • A mug
  • Cold water
  • Food colouring

> Robo-Bob's Multi-coloured Celery

> What You'll Need

> How You Make It

What's on

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24 February 2012

Astrobiology - the hunt for alien life [+]

News

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17 January 2012

Smart pills coming soon [+]

Experiments

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15 June 2009

Robo-Bob's Erupting Volcano [+]