Laboratory Grade Sodium Bicarbonate, 2.5kg Base Size_13 x 7" Two-hundred-sixty-three-piece advanced VSEPR kit with

Two-hundred-sixty-three-piece advanced VSEPR kit with multifaceted atom pieces for trigonal-planar

25 inches tall with four differently-shaped connected tubes on a plastic base

Hundred-twenty-seven-piece molecular model kit for inorganic chemistry with single and double covalent bonds

Aluminum-cast Young's-modulus frame with bubble level

Laboratory Grade Sodium Bicarbonate, 2.5kg Base Size_13 x 7" Two-hundred-sixty-three-piece advanced VSEPR kit withBulk 2. 5kg of laboratory grade sodium bicarbonate, the high volume buffering agent for whole class acid base demonstrations, fermentation chemistry, and pH control experiments.