Large Earthworm Dissection Anatomical Model, 19 x 7 inch Light & Optics_Color a flexible positioning option for

a flexible positioning option for force

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

Features white enamel graduations every 50mL

Borosilicate beaker shot glasses hold 1

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

Large Earthworm Dissection Anatomical Model, 19 x 7 inch Light & Optics_Color a flexible positioning option forBuilt for invertebrate study, this large earthworm dissection model reveals segmentation, nephridia, and digestive tract for annelid anatomy teaching.