The kids will be so excited. These marbles all have something to do with each unit we covered this year. Plus we use marbles for the calendar. The marble jar is brimming! Thanks for the outstanding customer service.
Size is as-packaged, or the diameter of loose marbles. ("D" is the diameter of round items other than marbles.)
Malachite is a mineral featuring rich alternating bands of light to dark green. These examples feature jewelry-grade tightly-alternating bands and are exceptional examples of this eye-appealing gemstone.