Item Number :
(470311-014)
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Model, Carbon Dioxide Crystal, is a colorless and odorless gas vital to life on Earth. This naturally occurring chemical compound is composed of a carbon atom covalently double bonded to two oxygen atoms, Dimension
Item Number :
(470311-034)
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Model, Alpha- Corundum Crystal, is best known for its gem varieties, Ruby and Sapphire. Ruby and Sapphire are scientifically the same mineral, but just differ in color, Dimensions: 36 x 24 x 20 in, Weight: 8 lbs
Item Number :
(470311-146)
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Model, Montmorillonite Crystal, includes 252 1 inch balls, Dimensions: 36 x 36 x 24 in, Weight: 12 lbs
Item Number :
(470128-712)
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DVD - Pollution
Item Number :
(470129-170)
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DVD - Biotechnology cleaning up with microbes
Item Number :
(470129-190)
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DVD - The florida everglades
Item Number :
(470330-856)
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Item Number :
(470123-456)
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DVD - Bats creatures of the night
Item Number :
(470128-964)
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DVD - The abundant beetles
Item Number :
(470122-914)
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DVD Earth Science Meteorology, DVD Show Me Science Advanced - Astronomy and Space Astronomy and Space-X-Ray Invisible Astronomy
Item Number :
(470122-920)
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DVD Earth Science Desert Sands, DVD Show Me Science Advanced - Astronomy and Space Astronomy and Space-X-Ray Invisible Astronomy
Item Number :
(470129-166)
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DVD - Reclamation restoring the land
Item Number :
(470330-852)
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Item Number :
(470123-200)
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DVD Lake Nakuru Flamingos Friends, DVD Show Me Science Advanced - Astronomy and Space Astronomy and Space-X-Ray Invisible Astronomy
Item Number :
(470123-428)
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DVD - Mini world of insects and spiders
Item Number :
(470330-840)
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