Description
Three-wheel stacked metal pulley for maximum mechanical advantage in compound pulley systems
and classroom precision measurement
Greatly magnified HIV virion model separates into two parts exposing the outer envelope and interior capsid with RNA
running battery-free for repeatable classroom and stockroom use
a 12V/21W lamp house
Circular Perspex Block for Refraction Science at Home_Earth Science Three-wheel stacked metal pulley forRound perspex refraction block, the curved face geometry letting beams enter along any radius for clean Snell's law angle work in ray box and refraction setups.
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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