My Rockin' Collection Sedimentary Rock Kit Junior - Geology Collection 10 Large Sedimentary Rock Samples: arkose, bituminous coal, conglomerate, coquina, loess, limestone, sandstone, shale, siltstone, and oolitic limestone Sedimentary Rock Identification poster that gives reveals the color, texture, mineral content, locales and unique features of your sedimentary rocks along with a sample photo Plastic tube for clean, easy storage Designed by a Professional Geologist so you can trust the quality of samples and information. Perfect STEM geology collection for kids, teens and adults.