Upper and Lower Jaw Model, 3X Enlarged Material_Metal Element-stamped 20mm solid brass cube

Element-stamped 20mm solid brass cube for density investigation

and sphenoid sinuses around the nasal cavity for ENT and craniofacial anatomy teaching

letting students directly observe pressure-volume changes under stacked weights

Stamped with element symbols for quick identification

9-piece hydro distillation kit holds 250mL with 19/26 joints in borosilicate glass for steam distillation and essential oil extraction procedures

Upper and Lower Jaw Model, 3X Enlarged Material_Metal Element-stamped 20mm solid brass cubeThree times enlarged upper and lower jaw set reveals dental arcade geometry and root positions at scale, supporting orthodontic and occlusal anatomy teaching.