US$ 167.97
holding under at least 100 Newtons of separation force after hand-evacuation of the air between them
Greatly magnified HIV virion model separates into two parts exposing the outer envelope and interior capsid with RNA
Metal spouting cylinder with multiple outlet holes at different heights
and connecting leads mounted on 4mm-socketed bases for building circuits from 40-plus components
and flagellum
Magiclass Classroom Polling Clicker System, Full Classroom Biology_Microscopy holding under at least 100Classroom wide polling clicker system enabling real time student response during lessons, integrating with standard projection setups for formative assessment and active engagement.
US$ 167.97
US$ 109.97
US$ 11.16
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US$ 19.99
US$ 27.99
US$ 599.60
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