4pcs/set 2cm Cube Block Copper Iron Aluminum Wood Same Volume Different Mass Scientific Density Physical Experiment Equipment4pcs set 2cm Cube Block Copper Iron Aluminum Wood Same Volume Different Mass Scientific Density Physical Experiment Equipment size: 2*2*2cm pc material: Copper Iron Aluminum Wood package include: 4pcs Made of durable PVC material, lightweight with highly detailed and realistic anatomical accuracy Multi color zoning clearly displays organ structures for intuitive understanding Detachable and assemblable design supports interactive learning experiences
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4pcs/set 2cm Cube Block Copper Iron Aluminum Wood Same Volume Different Mass Scientific Density Physical Experiment Equipment