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5x1 meters (32x3 feet)
The model consists of 24 numbered parts and is mounted on a board
and USP standards
strips etc
GEO-logic Hardness Set 5x1 meters (32x3 feet)A Complete Kit to Communicate the Concept of Hardness in Minerals Developed jointly by experienced educators and Ward's staff geologists. Classroom tested for dependability. Designed to save valuable planning and preparation time. Students will understand the differences in mineral composition when they use our GEO logic set to investigate variations in mineral hardness. A teacher's guide and student copy masters are included for the following
