6-Pack Narrow Neck Erlenmeyer Flasks, 500mL, Borosilicate Glass Chemical_Magnesium Sulfate Two-speed ticker timer kit printing

Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs

Tabletop desk stand displays fidget spinners upright for organized desk presentation during fidget-toy collection and rotation

But Not Included

Extended two-inch fingers on this vinyl-coated three-finger clamp provide deeper reach into apparatus assemblies

and aluminum via four engraved strips radiating from a heated 4

6-Pack Narrow Neck Erlenmeyer Flasks, 500mL, Borosilicate Glass Chemical_Magnesium Sulfate Two-speed ticker timer kit printingPack of 6 narrow neck Erlenmeyer flasks in borosilicate glass holds 500mL for chemistry, biology, and laboratory procedures.