Demonstration Meter Included_Rod offered as a safer substitute

offered as a safer substitute for the lead-containing PH0112FCB set

and organelles with hand-painted detail on a mounted base for biology teaching

and pendulum period in physics experiments

Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed

Engineered to expose both AC and DC generation on a single hand-cranked apparatus

Demonstration Meter Included_Rod offered as a safer substitutePermanent magnet moving coil meter mounted in a transparent wooden box with all internal electrical connections visible, sized so students can see the moving coil mechanism while it reads.