12-Slot Stroboscope Disc Subcategory_Tongs and other foundational circuit topologies

and other foundational circuit topologies for introductory physics

sized for very-high-turn-count coil construction and microcurrent prototyping work

Compact all-metal boss head with two stainless steel thumb screws joins rods up to 15mm orthogonally

Heavy-duty 500-piece teacher molecular model set with 230 atoms and 270 bonds

and assorted metal samples for structured lessons

12-Slot Stroboscope Disc Subcategory_Tongs and other foundational circuit topologiesRotating disc cut with twelve 0. 19 inch clear slots, producing the stroboscopic effect that visually freezes vibrating or rotating objects when the disc speed matches their frequency.