Hint S2 - K'NEX Rubber bands
Large brown rubber bands may be found in some K'NEX sets, and can also be bought separately in our K'NEX shop, along with a variety of different rubber bands for K'NEX.
The large brown rubber bands are the correct length and width for using two 90978 small hubs as pulleys, as shown.
Rubber bands are very good for transferring a turning motion from one rod to another parallel rod - see photo.
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