Cylindrical Conductor, 12.5 x 5cm Ceramic Labware_Crucibles Jumbo three-dimensional frog dissection model

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

this Van de Graaff generator delivers spark-producing high-voltage demonstrations in the physics classroom

supplied in a wooden case for full-classroom harmonic investigations

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

Cylindrical Conductor, 12.5 x 5cm Ceramic Labware_Crucibles Jumbo three-dimensional frog dissection modelMid 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.