US$ 52.04
sized to detect bidirectional currents stronger than the milliampere-class meters can read
Brass 10cm engraved Young's-modulus scale with vernier readable to 0
and albumin testing in classroom settings
Five-bulb circuit demonstrator with 8 removable metal bars on a heavy base
5% ±2 digit accuracy on a 3-1/2 digit LCD
Film Canister Rockets STEM Chemistry Reaction Kit Coating_Cork sized to detect bidirectional currentsFilm canister rocket kit launches rockets with two simple ingredients for STEM exploration of chemical reactions, pressure, and energy release.
US$ 52.04
US$ 195.30
US$ 145.00
US$ 19.99
US$ 198.45
US$ 145.00