Object Needle for Optics Experiments Included_Stopcock this handle-fitted bicycle wheel lets

this handle-fitted bicycle wheel lets students feel torque resistance in a spinning mass

Hand-operated vacuum pump with a 200mm copper pump plate and rubber seal

Cork-lined jaws on this two-prong universal clamp grip glassware without scratching

Disarticulated half skeleton provides individual bone examination with moveable skull and intervertebral discs for advanced osteology teaching

Graphite lattice kit whose atoms and connecting rods assemble into planar carbon sheets

Object Needle for Optics Experiments Included_Stopcock this handle-fitted bicycle wheel letsUsed 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.