Object Needle for Optics Experiments Subcategory_Lab Burners Three-part skull model features painted

Three-part skull model features painted muscle attachments and numbered details for cranial anatomy and muscle origin-insertion teaching

Mounted nervous system overview traces brain

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

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

Object Needle for Optics Experiments Subcategory_Lab Burners Three-part skull model features paintedUsed to position a fine point object on the optical bench, this 80mm steel needle in a 6mm rod doubles as a precise alignment reference for image formation and ray tracing setups.