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American Machine-Made

Master Marble

Master Marble and Master Glass produced machine-made marbles with soft swirled and patch surfaces, often in muted colour pairs.

What to look for

  • Surface colour tends to be softer and less saturated than Peltier.
  • Look for cloudy or 'sunburst' style surface spread.
  • Original packaging examples carry a strong premium.

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Just Marbles

Operated by Hardy Apex, Quebec, Canada. Prices in Canadian dollars (CAD). We ship worldwide with tracking.

Customer service: info@hardyapex.com — replies within one business day.

Checkout is processed securely by Shopify over an SSL-encrypted connection. Card details are never handled or stored by Just Marbles. Every marble is a single, individually graded item — photographed as it is, with manufacturing marks and any damage described honestly, and attribution always labelled as attributed, undocumented.