2018 - INTRODUCTORY ROCK KIT - 18 SPEC.

The Basic Rock Collection is a great introduction to igneous, sedimentary and metamorphic rocks. The 5.5" x 4.25" full color cardstock holds 18 specimens, size 0.5 to 0.75 inches, and an explanation of the differences between these types of rocks is listed. The product is packed in a reusable ziplock pouch. Grade level 5+, Age 10+.