137-Piece Premium Student Molecular Model Set, 66 Atoms + 70 Bonds Ceramic Labware_Crucibles sized for low-resistance Ohm's-law work

sized for low-resistance Ohm's-law work where high-resistance components don't draw measurable current

thermometers at staggered heights showing the paradoxical convection pattern of cooling water below 4°C

Convex glass mirror at 75mm diameter and 200mm focal length

3V AC line for advanced electronics labs

137-Piece Premium Student Molecular Model Set, 66 Atoms + 70 Bonds Ceramic Labware_Crucibles sized for low-resistance Ohm's-law workUsed to study organic isomerism and stereo geometry, this 137 piece premium student molecular model set ships with 66 atoms and 70 bonds and detailed instructions in a fitted storage box.