Molecule building kits for students
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662412 8
Coloured discs, set of 3
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662411 8
Sample pattern discs, set of 6
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662413 4
Spectacles, sealed fit
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662414 4
Set of 30 glasses
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662415 4
Set of coloured cards
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662416 8
Set of 12 images (b/w)
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662417 4
Set of 6 coloured images
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668381 4
LIT-print: Charts for examining the colour perception, German
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KLA110235 4
Ishihara test wallet for color vision disturbances
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KLA130110
Experiment set eye
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