Build Your Own Working Model Of A Bridge And Understand How All The Components Work Together To Create The Movement.
This Bridge Uses A Small Handle And Crankshaft To Lift The Centre Span To The Top Of The Truss Structure, Allowing Trolls And Other Vehicles To Safely Pass Between The Two Ends.
With Pre-Engineered Pieces, This Model Can Be Built By Following The Excellent Instructions And Slotting The Pieces Together With No Glue Required. Just The Right Size For Your Own Cars And Vehicles To Use.
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