US$ 150.14
transmitting light end-to-end via total internal reflection to give a tabletop analogue of a fiber-optic cable
attached to a 10mm diameter 5
each one rotating to follow the local field whenever a magnet is placed beneath the plate or alongside it
Dial-selectable multi-tap battery eliminator delivering 1
12-Piece Density Metals Variety Set with Assorted Shapes Material_PVC transmitting light end-to-end via totalAssorted shape density kit with 12 specimens across brass, iron, aluminum, copper, zinc, and lead, each 12 25g, giving students shape variation on top of the material density comparison.
US$ 150.14
US$ 40.00
US$ 19.00
US$ 13.96
US$ 70.49
US$ 149.98
US$ 190.82