Steel Ball Bearings, 6mm, 50-Pack Pack Size_16 sized for color-coded bench wiring

sized for color-coded bench wiring at the positive rail

Center-of-gravity kit demonstrating how objects balance at their center of mass

transparent walls revealing the valve-and-piston action of suction pumping

Largest-value decade capacitance box stepping 10uF to 100uF in 10uF increments at plus-or-minus 5% on 63V

Ten-inch high-speed low-friction pulley on a 12mm aluminum rod

Steel Ball Bearings, 6mm, 50-Pack Pack Size_16 sized for color-coded bench wiringFifty pack of 6mm steel ball bearings for projectile launchers, ballistic pendulums, and collision experiments, consistent in mass for repeatable kinetic and potential energy calculations.