Vernier Travelling Microscope, 10X with Wooden Case Subcategory_Electromagnetism Bull frog dissection model with

Bull frog dissection model with open back reveals vertebral column

demonstrating the mechanism behind crankshaft pistons and steering racks

Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures

and a 3mm thickness

exposing the triangular rotor's epitrochoidal motion with a lamp-lit ignition point

Vernier Travelling Microscope, 10X with Wooden Case Subcategory_Electromagnetism Bull frog dissection model withCast iron travelling microscope with three leveling screws, horizontal and vertical vernier scales, and a 10x eyepiece for fine resolution measurement in classroom and research laboratories.