01-31-2010, 11:03 PM
My brother used to send marbles down hot wheels race tracks. Interesting that the marbles discovered a potential problem with your trackwork. That nail could have further worked loose and picked at a coupler pin.
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Kevin
Check out my Shapeways creations!
3-d printed items in HO/HOn3 and more!
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Kevin
Check out my Shapeways creations!
3-d printed items in HO/HOn3 and more!
<!-- m --><a class="postlink" href="https://www.shapeways.com/shops/kevin-s-model-train-detail-parts">https://www.shapeways.com/shops/kevin-s ... tail-parts</a><!-- m -->