US$ 24.99
filled with iron filings whose alignment renders 3D field lines around any bar magnet up to 0
illustrating late-pregnancy presentation for obstetric and reproductive anatomy teaching
and d2sp3 atoms for hybridization-and-geometry visualization
Engineered to expose both AC and DC generation on a single hand-cranked apparatus
landing it back in the same barrel as the car rolls forward
Rubber Vinyl Lab Apron, Medium Science at Home_Physical Science filled with iron filings whoseRubberized vinyl halter bib apron in medium, providing waterproof, chemical resistant protection for chemistry, dissection, and art room work.
US$ 24.99
US$ 158.76
US$ 180.00
US$ 18.00
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