Scale of Hardness Kit with Test Kit

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SKU: 16806
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Price:
$18.95 Each

Description

This is the Traditional Scale of Hardness Collection and a Test Kit. Includes Streak Plate, Penny, Glass Plates, Nail and nine specimens 1" x 1.5" number coded. Grades 6-12. Ages 11-18.
This is the Traditional Scale of Hardness Collection and a Test Kit. Includes Streak Plate, Penny, Glass Plates, Nail and nine specimens 1" x 1.5" number coded. Grades 6-12. Ages 11-18.

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