US$ 195.30
or carried between stations
Used to teach how AC/DC ammeters and voltmeters work
Twenty-centimeter steel helical spring paired with 2kg
Four 153 x 76mm plates - each holding 98 iron-rod plotting compasses in a 14 x 7 matrix - assemble flat or as the faces of a cube to display 2D and 3D field-line patterns
Premium Single D-Size Battery Holder with Curved Sides Physics_Alternative Energy or carried between stationsCurved side single D cell holder in premium unbreakable plastic, sized so the heavier D cell stays seated when student built circuits are picked up, tilted, or carried between stations.
US$ 195.30
US$ 144.90
US$ 117.34
US$ 344.14
US$ 190.00
US$ 354.38
US$ 170.10
US$ 149.00
US$ 286.65
US$ 39.99
US$ 117.34
US$ 117.34
US$ 104.25
US$ 168.00