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  • Molten copper is pouring to melting pot. Combining copper with tin and/or arsenic in the right proportions produces bronze, an alloy that is significantly harder than copper. Puzzle #643944024
Molten copper is pouring to melting pot. Combining copper with tin and/or arsenic in the right proportions produces bronze, an alloy that is significantly harder than copper. puzzle #643944024

  • - 3 sizes: 48, 500 & 1,000 pieces
  • - Durable, glossy-coated paperboard
  • - Full-bleed, photo-quality printing
  • - Storage box included

$39.95

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