Large Earthworm Dissection Anatomical Model, 19 x 7 inch Physics_Electricity & Magnetism Alternate seven-piece electrostatics kit for

Alternate seven-piece electrostatics kit for Van de Graaff and Wimshurst generators

500ML CAPACITY || Single Erlenmeyer Flasks with 500mL capacity and easy-to-read white enamel graduations every 100mL

Hand-cranked 4-stroke gasoline engine model at 13

5-inch mounting rod giving 5 inches total length for standard optical-bench setups

converting solar radiation to measurable thermal energy on an 18-inch-tall stand

Large Earthworm Dissection Anatomical Model, 19 x 7 inch Physics_Electricity & Magnetism Alternate seven-piece electrostatics kit forBuilt for invertebrate study, this large earthworm dissection model reveals segmentation, nephridia, and digestive tract for annelid anatomy teaching.