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K'Nex® Free pulley systems

Focus Questions

 

Free pulley systems album

Free pulley system complete

Free pulley system complete

 

 

Free pulley system close up of top

Top free pulley system close up

 

 

Free pulley close up

Free pulley close up

 

 

Close up of top of free pulley system with both both pulleys

Close up of top of free pulley system with both both pulleys

 

 

Free pulley rear base close up

Free pulley rear base close up

 

 

Free pulley top close up

Free pulley top close up

 

 

 

Dr. Robert Sweetland's notes
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