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Bloody Fingers

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Product Description

Pour a small sample of "ghost blood" on a small sponge, roll the tip of your index finger in the clear liquid, and then apply it to a sheet of goldenrod paper. A blood-red fingerprint appears! Apply the same liquid to magenta paper, and produce a whitish, ghost-like fingerprint.

Demo Pack includes:  1 oz 2% sodium hydroxide, 2 2"x5" goldenrod papers, 2 2"x5" magenta papers,  1" sponge  $5.95  

Study Group Pack includes:  4 1-oz 2% sodium hydroxide, 8 2"x5" goldenrod papers, 8 2"x5" magenta papers, 4 1" sponges  $19.95  

Classroom Pack includes:  12 1-oz 2% sodium hydroxide, 32 2"x5" goldenrod papers, 32 2"x5" magenta papers, 12 1" sponges   $28.95 

School Pack includes:  12 1-oz 2% sodium hydroxide,  32 oz sodium hydroxide, 128 2"x5" goldenrod papers, 128 2"x5" magenta papers, 48 1" sponges   $69.95

 

Comes with complete instructions and explanation of the science behind the fun.

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