Marble Run – Tunnels (GraviTrax MicroTrax)

MicroTrax – The cutest little trax this side of the Rio Grande, built on a single mini baseplate. Today’s MicroTrax is…TUNNELS!

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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.