Synchronized Digital Ripple Wave Generator, 220/240V 50/60Hz Activity Kits_Elementary Chemistry and 2 quadruple pulleys on

and 2 quadruple pulleys on a heavy composite base with capstan

75 inches tall by 2

Dual-end 20cm Chattaway spatula features a non-stick chemical-resistant coating with scoop and blade ends for high-resistance classroom chemistry work

Five-pulley set of tandem 38mm/50mm low-friction plastic pulleys on open-sided frames

this UVA data-logging sensor measures UV-A intensity across environmental-science and physics classroom experiments

Synchronized Digital Ripple Wave Generator, 220/240V 50/60Hz Activity Kits_Elementary Chemistry and 2 quadruple pulleys onStroboscopic synchronization on this digital ripple wave generator pairs electronic vertical motion with matched flash timing, letting students observe slow motion or stationary water wave patterns.