US$ 24.00
sized to detect bidirectional currents stronger than the milliampere-class meters can read
8L bottle for reducing sugar detection in nutrition science and chemistry experiments
flexing under heat as each metal expands at a different rate
Brass 10cm engraved Young's-modulus scale with vernier readable to 0
and two posts
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$ 24.00
US$ 115.00
US$ 91.00
US$ 110.00
US$ 21.00
US$ 29.00
US$ 120.00