Large Earthworm Dissection Anatomical Model, 19 x 7 inch Light & Optics_Color Student pulley demonstration set with

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

a flexible positioning option for force

Borosilicate beaker shot glasses hold 1

providing a stable platform for prisms

Polypropylene round test tube rack holding 12 tubes — four at 25 mm and eight at 19 mm — with 360-degree access for benchtop chemistry demonstrations and student experiments

Large Earthworm Dissection Anatomical Model, 19 x 7 inch Light & Optics_Color Student pulley demonstration set withBuilt for invertebrate study, this large earthworm dissection model reveals segmentation, nephridia, and digestive tract for annelid anatomy teaching.