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This is an assembly kit that allows to work with pulley/thread constructions in a flexible way. <br> | This is an assembly kit that allows to work with pulley/thread constructions in a flexible way. <br> | ||
It works best with flat and smooth surfaces and it can be used in vertical and horizontal ( | It works best with flat and smooth surfaces and it can be used in vertical and horizontal constructions (such as logical operations, see Rachel Smith's and + or gates).<br> | ||
The parts:<br> | The parts:<br> | ||