US$ 95.00
Single open-or-closed switch on a 4mm-terminal base
and cranial cavity anatomy
stable Alnico fields and matching keepers across this bar-magnet pair give the classroom a reliable workhorse for ferromagnetism and pole-orientation demonstrations
and image-formation work
150mm Red Connecting Lead Prong_3 Single open-or-closed switch on aUsed as the red rail partner to the 150mm black 4mm stackable lead, this insulated wire keeps polarity color coded across short branches in 4mm socket student circuits.
US$ 95.00
US$ 190.00
US$ 165.00
US$ 165.00
US$ 50.00
US$ 154.50
US$ 135.00