Simple Machines Gear Rack Model Science at Home_General Science Supplies Plastic-cased solar energy kit with
Simple Machines Gear Rack Model Science at Home_General Science Supplies Plastic-cased solar energy kit withRotation 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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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 10 - Sep 15