Earth science rocks.;Include (15) rock samples, a magnifier, streak plate for testing hardness and an 11-page fact booklet.;The sedimentary set, which includes oil shale, shell limestone, quartz sandstone and chert.;Made for ages 8+

• Geocentral 18 pc. Sedminetary Rock Kit

Geocentral 18 pc. Sedminetary Rock KitGeocentral