Cylindrical Conductor, 12.5 x 5cm Ceramic Labware_Crucibles supplied in a wooden case

supplied in a wooden case for full-classroom harmonic investigations

3g nickel-plated steel balls on a red wood base

Jumbo three-dimensional frog dissection model with keycard demonstrates amphibian anatomy and organ systems for detailed vertebrate teaching

8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction

dermal papillae

Cylindrical Conductor, 12.5 x 5cm Ceramic Labware_Crucibles supplied in a wooden caseMid sized brass cylinder on an ebonite insulated base, sized so that students can compare its uniform curvature surface charge against sphere and cone partners in the conductor set.