US$ 17.95
Used to crank a row of 16 cam-driven rods through a moving sine wave
Drops a dense object and a feather together inside a 20-inch evacuated glass tube
25x with a 5
Ninety-five-piece molecular model set with 53 atoms and 42 links spanning organic and inorganic chemistry
Bulk 144-pack of pre-cleaned 75 x 25mm glass microscope slides features frosted labeling ends and ground polished edges for high-volume teaching labs
Half-Size Human Circulatory System Model, Compact Gifts_Bar Used to crank a rowSized for compact classroom display, the half size circulatory model traces arterial and venous pathways from heart to peripheral capillaries.
US$ 17.95
US$ 10.00
US$ 30.00
US$ 17.95