Physics Demonstration Loudspeaker Subcategory_Erlenmeyer Flasks sized for solenoid and transformer

sized for solenoid and transformer windings that need many turns in a compact space

finely controllable flame for chemistry heating

Five-pulley set of double-parallel 50mm plastic pulleys on open-sided steel frames

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

Physics Demonstration Loudspeaker Subcategory_Erlenmeyer Flasks sized for solenoid and transformerMoving coil 4 ohm driver in a frame that orients vertically or horizontally, with 4mm sockets that connect directly to signal generators and other audio sources for sound wave demonstrations.