US$ 24.00
Five-bulb circuit demonstrator with 8 removable metal bars on a heavy base
and albumin testing in classroom settings
Automatic zero burette with 50ml capacity mounted on a 2000ml reservoir
sized to detect bidirectional currents stronger than the milliampere-class meters can read
and two posts
Film Canister Rockets STEM Chemistry Reaction Kit Coating_Cork Five-bulb circuit demonstrator with 8Film canister rocket kit launches rockets with two simple ingredients for STEM exploration of chemical reactions, pressure, and energy release.
US$ 24.00
US$ 115.00
US$ 91.00
US$ 110.00
US$ 21.00
US$ 29.00
US$ 120.00