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Science Museum: Secret Message Set

Released on 09 December 2011

5.0 out of 5 (1 customer review) | Write a review

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A set of two pens which write with invisible ink. The cap of each pen
contains a powerful 'black-light' UV beam, which illuminates the
message. Each pen contains invisible ink, UV lamp, 4 x batteries.

Recommended for 6 years +


Safety Message:
Warning! Not suitable for children under 36 months due to small parts. Choking hazard.

  • 190 x 120mm

customer Reviews

 Average rating (1 review)

 Hours of fun!!

| | See all lucy316's reviews (4)

Bought these for my 8 year old nephew for Christmas and he absolutely loved them, they were brill! I'm 28 and had hours of fun with him so much so that I have now bought some for me!!

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