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Written by Techbricks.nl
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Thursday, 07 February 2008 18:28 |
Right now I am building a LEGO GBC (Great Ball Contraption) step marble module.

I use 10 steps made of Yellow Slope, Curved 3 x 1 No Studs (part no: 50950). 
The steps are moving up and down, like jurgen kintscher explain at www.kugelbahn.info. They move up and down by Technic Connector , (part no: 3651) and Light Gray Technic Engine Piston Square 2 x 2 , (part no: 3652).

Check the complete GBC LEGO step module high resolution photo gallery at Google Picasa...
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