Hand-Painted 3D Amphioxus Embryonic Stages Anatomical Model on Base, 10 x 9 inch Subcategory_Charts and Posters Tightly wound 700-turn copper coil

Tightly wound 700-turn copper coil on a small air-core former

000x magnification animal cell model on mounted base reveals detailed organelle structure for comprehensive cell biology teaching

reorienting tubing runs through 90 degrees without kinking the line at the bend point

000 volts to demonstrate energy conversion

Life-size heart model opens into two halves to expose four chambers

Hand-Painted 3D Amphioxus Embryonic Stages Anatomical Model on Base, 10 x 9 inch Subcategory_Charts and Posters Tightly wound 700-turn copper coilAmphioxus embryonic development model reveals gastrulation, neurulation, and chordate formation for vertebrate evolution and developmental biology teaching.