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  • REPLACEMENT BALLS- 10 pack of high quality chromium steel balls designed to replace lost balls for varying nostalgic games such as the popular SpaceRail marble runs. These balls are NOT MAGNETIC.

  • CHROMIUM STEEL- Material is made out of durable, hard gray metal.

  • ENGINEERED DESIGN- Chromium metals engineered properties allow the advantage for a polished shiny long-lasting appearance.

  • DURABILITY- SpaceRail balls are made out of chromium steel, known for its incredible resistance to corrosion and hardness.

  • SIZE- 1/2" metal chromium steel ball. Size suited for brands requiring 1/2" metal balls including the popular SpaceRail marble runs.

  • Four Brothers Spacerail 1/2" Replacement Chromium Steel Balls (Pack of 10)