US$ 287.00
this kit makes electric field patterns visible without high voltage
Double-walled in aluminum to minimize heat exchange with the surrounding air
Focuses sunlight through a 30cm parabolic reflector onto a black copper target cup
Molded in one piece with sleeve-bearing wheels
8-Piece Simple Natural Chemistry Starter Kit with Case Geology Specimens_Minerals this kit makes electric fieldEight piece simple natural chemistry starter kit packaged with a storage case, keeping component glassware and tools organized between classroom lab periods.
US$ 287.00
US$ 117.50
US$ 278.00
US$ 1116500.00