This mineral test kit introduces kids to the scientific method of identifying minerals through scratch tests. Contains the basic tools needed to test and identify 4 included specimens and minerals you collect. This can be a great science fair project. Includes black and white streak plates (for color test), glass plate (for hardness test), nail, magnet, pocket magnifier, user's guide, and four minerals: hematite, quartz, calcite, and gypsum. Ages 8+. Grades 3+