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Do you want to see a Grandfather Clock rolling ball sculpture using the GraviTrax marble run system? The full video will be …
The post GraviTrax Grandfather Clock Marble Run (Preview) appeared first on Gravitrax.trek.pub.
Follow the rest of this piece over at: Gravitrax.trek.pub (Read More). Gravitrax is a very fun marble run board game, the website is dedicated to that.
