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2. This dainty dinosaur necklace.

3. This ohm-azing little omega necklace.

4. This little wooden infinity sign necklace.

5. This scaled down Saturn necklace.

6. This sweet serotonin molecule necklace.

7. This itty-bitty nudibranch necklace.

8. This gorgeously geometric polyhedron necklace.

10. This teeny tiny geode necklace.

11. This microscopic microscope necklace.

12. This busy bumblebee necklace.

13. This brilliant neuron necklace.

14. This miniature moon phase necklace.

15. This delightful DNA necklace.

16. This remarkable dinosaur eggshell necklace.

17. This perfect Pleiades necklace.
