US$ 29.62
sized to dust evenly over paper or around a magnet to make field lines visible during introductory magnetism work
Four-finish Leslie's cube in tinplate at 13cm per side — blackened
and narrow — at 10 inches tall
Ninety-five-piece molecular model set with 53 atoms and 42 links spanning organic and inorganic chemistry
clamp pulley
Small Iron Clad Electromagnet Racks & Stands_Bottle Stands sized to dust evenly overSingle cell iron clad electromagnet on one C battery with integrated hooks for lifting demonstrations, showing how current through an iron core builds magnetic flux in student investigations.
US$ 29.62
US$ 109.12
US$ 85.66
US$ 128.25
US$ 48.99
US$ 199.75
US$ 43.02
US$ 159.78
US$ 282.75
US$ 82.25