Physics Electronics System Set, 18-Piece Clearance providing dense uniform spheres for

providing dense uniform spheres for ramp-and-collision experiments where a heavier projectile is needed than the plastic marbles can provide

Heavy-duty die-cast alloy boss head with a painted gray finish and two adjustable thumbscrews

this electrically maintained tuning fork accepts 2-6V DC at universal binding posts

Stamped N and S ends on this 3 x 0

Greatly magnified HIV virion model separates into two parts exposing the outer envelope and interior capsid with RNA

Physics Electronics System Set, 18-Piece Clearance providing dense uniform spheres forEighteen piece modular electronics kit in a plastic case, covering diodes, LED circuits, resistor networks, and other foundational circuit topologies for introductory physics.