Miniature Articulated Human Skeleton Model with Stand, 17.5" Tall Physics_Light & Optics bottle in borosilicate glass holds

bottle in borosilicate glass holds 125mL with glass stopper for biological oxygen demand testing and water quality analysis

and inner ear sections support detailed auditory anatomy teaching at 3x enlargement for classroom visibility

this analog DC ammeter at 0

and connecting leads in one teaching package

Base-mounted 2-stroke diesel engine model in aluminum and plastic

Miniature Articulated Human Skeleton Model with Stand, 17.5" Tall Physics_Light & Optics bottle in borosilicate glass holdsArticulated joints allow posing the 17. 5 inch skeleton in various positions for kinesiology demonstrations, mounted on a rod stand for tabletop reference.