127-Piece Inorganic Molecular Model Kit with Storage Case Subcategory_Wave Motion and 500mm focal lengths for

and 500mm focal lengths for comparing converging and diverging behaviors

5mm metric threads

providing dense uniform spheres for ramp-and-collision experiments where a heavier projectile is needed than the plastic marbles can provide

sized for resistance coils and thermocouple legs where copper-nickel alloy holds its value across temperature swings

127-Piece Inorganic Molecular Model Kit with Storage Case Subcategory_Wave Motion and 500mm focal lengths forHundred twenty seven piece molecular model kit for inorganic chemistry with single and double covalent bonds, long flexible links, short links, a removal tool, and a 9. 25 inch storage case.