Kokoro Pendant

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  • Backordered, shipping soon
Regular price$100.00
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Created in collaboration with Tezuka Productions, this officially licensed Astro Boy Kokoro Pendant draws from one of the central ideas surrounding the character—the concept of “kokoro,” representing heart, consciousness, and emotional humanity. The framed oval silhouette and mechanical core detailing balance softer ornamental forms with more industrial internal structure.

“Kokoro” represents more than emotion alone—it reflects the idea of an inner humanity existing within something mechanical.

The pendant is built around that contrast directly. The outer frame uses softer, almost antique-inspired detailing, while the centered core motif introduces a more engineered structure beneath it. Rather than separating those elements, the design allows both to exist together—balancing warmth and machinery within the same piece.

  • Solid 925 Sterling Silver
  • 30mm x 20mm
  • 7.1 grams
  • Lightly polished with oxidized detailing for contrast and depth
  • Balanced form with a defined, centered presence

Sterling silver evolves with wear and naturally develops a deeper patina over time. To preserve its original finish and restore its shine, gently polish with a soft, dry cloth.


  • Certified Original
  • Free Shipping on orders $150+ USD
  • Orders ship within 24-48 hours

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Why MNSTR Assoc

Officially Licensed
Approved by the original rights holders
Made for Daily Wear
Designed beyond collection shelves
Crafted for Longevity
Built to age with wear
Limited Production Run
Produced in controlled quantities