Rock Collection 59 features are number coded

59 features are number coded and identified in an accompanying key including: the coronary arteries

any sensor test

Nickel-plated metal strip and light hardwood meter stick

• IC Extractor

Rock Collection 59 features are number coded50 specimens in storage box with compartmented tray Features igneous, sedimentary, and metamorphic rocks; ores; gemstones; and minerals in the Scale of Hardness Each approximately 1 x 1in. (2. 5 x 2. 5cm) Numbered to reference the enclosed identification key Dimensions: 14 x 7. 25 x 1. 25in. (35. 6 x 18. 4 x 3. 97cm) AMEP Classroom Collection of 50 Rocks and Minerals, 1 x 1 in. Each Product Dimensions (L x W x H): x 109 x MM Product Weight: 1 LB