Sternum (breast bone), Model, Human Bone, Pastic, These individual bones are a great addition to you collection, used as a match for your existing Eisco disarticulated skeleton, or to allow students to compare general skeletal structure
Organic Chemistry Model Set, Build thousands of organic molecules in their natural conformations and see the 3-D structure of the molecules, With 140 durable components in this model set, you can build bigger molecules without having to reuse model parts, Snap-closure
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