Force Oscillation and Resonance Demonstration Kit Subcategory_Kinematics Four-finish Leslie's cube in tinplate

Four-finish Leslie's cube in tinplate at 13cm per side — blackened

Sequential mitosis stages — prophase

Pivoted needle-style electroscope that swings on its axis when a charge is applied

tightened with an Allen wrench for constructing lattice frameworks on laboratory benches

5 newtons for measuring small forces during spring-law and tension-force classroom investigations

Force Oscillation and Resonance Demonstration Kit Subcategory_Kinematics Four-finish Leslie's cube in tinplateSpeed controlled 6V motor driving two cams pumps four spring mass systems at any chosen frequency, letting students sweep through resonance and watch amplitude peak when drive matches natural pitch.