Introductory No. VI Microscope Slide Set, 15-Piece Entomology & Zoology_Zoology Charts & Models plus locking bearing pins and

plus locking bearing pins and hooks for building varied compound pulley configurations

25-inch Atwood machine with two 2-inch blue-plastic pulleys on an aluminum rod

Flexible joint allows the model to move through knee flexion and extension

Wide-shoulder 115 x 20 x 8mm Alnico U-shape with poles labeled and a keeper supplied

with retractable hooks for tandem stacking during physics force experiments

Introductory No. VI Microscope Slide Set, 15-Piece Entomology & Zoology_Zoology Charts & Models plus locking bearing pins andFifteen introductory slides expand starter microscopy work with additional protist, bacterial, and tissue preparations for classroom use.