Provides a primary presentation of the basic rock types. Includes five each of igneous, sedimentary and metamorphic rocks, totaling 15 specimens, approximately 11⁄2" x 11⁄2". Includes key and charts.
(There are 16 other products in the same category)
Cool oscillation station! Place the magnet wires on the base, move them, and watch the unique ways they oscillate as their in...
Heavy duty double-sided surface for fun and colorful learning on both sides. Each side has a seperate design.Use with dry era...