When the Train update (ver 1.4) of The Blockheads first came out, there was a glitch where if you use the Crowbar on the center of a Train Station, you could get a free Rail. If you remove the Train Station and place it again on the same spot, you could get another free Rail again by using the Crowbar again on the center Rail. Thus, you can duplicate and get unlimited Rails. This glitch was patched in the next update though.
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