Description
Pair of 12 by 3
sized for whole-class visibility of momentum-and-energy conservation through pendulum collisions
Tensioner pulley keeps chain engagement consistent on this hand-cranked chain drive
dimensioned as the matched replacement carriage for the LED ray box (PH0602ALED) track when an original rider is lost or damaged
Triple Folding Magnifier with 25mm Lens, 10x Ag Mechanics Pair of 12 by 3Stacks three independently folding 25mm lenses for 10x magnification, each lens stowing into the housing for pocket portable classroom, field, and specimen work.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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