20 pcs of premium 8mm Brass Marbles for Marble Machines & Marble Runs

Upgrade your marble machine experience with these stunning, high-quality solid brass marbles!

While all of our marble machines come with standard stainless steel balls, these 8mm brass marbles are the perfect add-on for anyone looking to add a touch of classic elegance, a distinct sound, and a beautiful visual contrast to their favorite mechanical sculptures.

✨ Why Choose Brass Marbles?
Premium Aesthetic: The warm, golden glow of polished brass looks absolutely mesmerizing rolling down wooden or metallic tracks.

Unique Sound: Brass has a slightly different density and resonance than stainless steel, giving your marble machine a richer, warmer, and more satisfying "clink".

Perfect Fit: At exactly 8mm (~5/16"), these are precision-engineered to run flawlessly on all of our marble machine models without jamming.

Beautiful Patina: Over time, natural brass develops a gorgeous vintage patina, making your machine look even more like a timeless piece of art (or you can easily polish them back to a high shine!).

📦 Product Details
Material: Solid Brass (Non-magnetic)

Diameter: 8mm (approx. 5/16 inches)

Quantity : 20pcs

⚠️ Note: This listing is for the brass marbles only. The marble machine is sold separately. Keep out of reach of small children due to choking hazards.


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