Frog Development Anatomical Model, 61 x 41 x 6cm Subcategory_Lab Jacks Sixty-five-piece molecular model set with

Sixty-five-piece molecular model set with 32 atoms and 33 bonds for demonstrating bonding angles

designed to hold visible iron-filing field lines and support side-by-side magnet-strength comparisons in mechanics labs

Simple-form Boyle's Law apparatus pairing a graduated plastic syringe on a wooden block with a weighted piston

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

Frog Development Anatomical Model, 61 x 41 x 6cm Subcategory_Lab Jacks Sixty-five-piece molecular model set withBuilt for amphibian development study, this frog model demonstrates egg, tadpole, and adult stages for metamorphosis and life cycle teaching.