US$ 114.97
Thirty-three-ohm 2
Five-pack of 3/4-inch steel marbles
Features white enamal graduations every 12
Plastic-cased introductory electronics kit with 10 lamp holders+bulbs
Pair of nylon-fringed metal pompons on insulated stands that fan into wide cones under mutual repulsion when charged
Sheet Filter Paper, 45 x 45cm Racks & Stands_Flask Stands Thirty-three-ohm 2Sheet filter paper measures 45 x 45cm for custom cutting circles, strips, and shapes during filtration, sample blotting, and lab paper chromatography.
US$ 114.97
US$ 38.99
US$ 36.99
US$ 39.00
US$ 13.95