Simple Machines Gear Rack Model Science at Home_General Science Supplies and hinge-distance scales adjustable from
Simple Machines Gear Rack Model Science at Home_General Science Supplies and hinge-distance scales adjustable fromRotation to linear gear rack simple machine model converting circular gear motion into straight line rack travel, demonstrating the mechanism behind crankshaft pistons and steering racks.
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USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 26 - Aug 31