Miniature Articulated Human Skeleton Model with Stand, 17.5" Tall Physics_Light & Optics Cut-away 17-inch active volcano model

Cut-away 17-inch active volcano model reveals magma chamber

4A rear-panel fuse

and connecting leads in one teaching package

Rotation-to-linear gear-rack simple-machine model converting circular gear motion into straight-line rack travel

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

Miniature Articulated Human Skeleton Model with Stand, 17.5" Tall Physics_Light & Optics Cut-away 17-inch active volcano modelArticulated joints allow posing the 17. 5 inch skeleton in various positions for kinesiology demonstrations, mounted on a rod stand for tabletop reference.