The concept stems from aRube-Goldberg style contraption, only it is done with Legos. Each module of the the contraption is built so it can connect another. Below is an example of one module and then several connected together.
How complicated a way can you transfer Lego soccer balls from basket to another? Can you do it with or without an RCX controller? Its known in LEGO circles as the GBC .
The homepage for this HD version.
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