Laboratory Grade Sodium Bicarbonate, 500g StockedLY9121 pink-dotted at one end of

pink-dotted at one end of each magnet to flag the matching pole and supplied with steel keepers between lessons

Ticker tape holder stand with a 10mm stainless steel rod on a textured metal base

the lower-cost benchtop alternative to the full-meter resistivity boards for quantitative R = rho*L/A and material-comparison investigations

äós in the box

or batteries required

Laboratory Grade Sodium Bicarbonate, 500g StockedLY9121 pink-dotted at one end ofUsed as a pH neutralizer and buffering agent in acid base reactions, this 500g bottle of laboratory grade sodium bicarbonate also serves as a CO2 source for endothermic reaction demos.