Hydra Dissection Anatomical Model on Base, 13 inch Size_Medium Plastic-cased solar energy kit with

Plastic-cased solar energy kit with a panel

Four-finish Leslie's cube in tinplate at 13cm per side — blackened

the wider face brightening divergence demos while still producing reduced upright virtual images

Half-size digestive system model fits smaller class benches while preserving the full esophagus-to-rectum path and accessory organ anatomy in two removable parts

its sectioned carburetor and fuel supply exposing the compression-ignition cycle to a hand-cranked turnover

Hydra Dissection Anatomical Model on Base, 13 inch Size_Medium Plastic-cased solar energy kit withBuilt for cnidarian study, this enlarged Hydra dissection model reveals internal anatomy, digestive cavity, and tentacle structure for invertebrate teaching.