Magnetic Base for Visual Scientifics Experiments, 25 x 16 x 2.5" Diameter_250mm Pack of 10 natural bark

Pack of 10 natural bark cork stoppers in Size 18 measures 38mm in length for sealing laboratory vessels and chemistry apparatus

Graduations marked every 100mL

Distilled or deionized water

Round-bottom narrow-neck boiling flask set includes 100mL borosilicate glass flask with stopper and tubing for distillation and heating procedures

the shorter focus delivering more magnification at the cost of field of view

Magnetic Base for Visual Scientifics Experiments, 25 x 16 x 2.5" Diameter_250mm Pack of 10 natural barkCore 25 by 16 by 2. 5 inch heavy duty magnetic grid anchors every mechanics experiment kit in its product line, combining probeware and video analysis for grades 9 through 14.