US$ 19.99
sized to reconfigure the demonstration meter as a 0-1A ammeter for full-class viewing of student-built circuit currents
an octagonal base
Low-conductivity-reference iron rods at 300 by 3mm in a ten-pack
Used to give student-built circuits an audible signal of completion
carrying 2kg dynamic or 15kg static loads for precise apparatus leveling on the bench
Aluminum Density Cube, 10mm Category_Demonstrations sized to reconfigure the demonstrationPrecision machined 10mm aluminum cube with defined edges for repeatable dimensional accuracy in density, mass, and volume calculations across physics and chemistry work.