US$ 18.00
Penny head solid cone stopper in borosilicate glass features 29/32 cone for sealing ground joint vessels with finger-grip top design
this kit makes electric field patterns visible without high voltage
3-inch rectangle
Molded in one piece with sleeve-bearing wheels
Focuses sunlight through a 30cm parabolic reflector onto a black copper target cup
8-Piece Simple Natural Chemistry Starter Kit with Case Geology Specimens_Minerals Penny head solid cone stopperEight piece simple natural chemistry starter kit packaged with a storage case, keeping component glassware and tools organized between classroom lab periods.
US$ 18.00
US$ 25.00
US$ 20.00
US$ 15.00
US$ 65.00
US$ 55.00