Large Earthworm Dissection Anatomical Model, 19 x 7 inch Light & Optics_Color Step-down transformer matched to a

Step-down transformer matched to a 35-watt sodium lamp on a 220V AC mains supply

drawing both DC and AC simultaneously with short-circuit protection via a 0

Student pulley demonstration set with a range of pulleys for mechanical-advantage and force-multiplication comparisons

and accessories for combined friction and inclined-plane work

and chewing mechanisms in health coursework

Large Earthworm Dissection Anatomical Model, 19 x 7 inch Light & Optics_Color Step-down transformer matched to aBuilt for invertebrate study, this large earthworm dissection model reveals segmentation, nephridia, and digestive tract for annelid anatomy teaching.