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

Sucrose dehydration kit creates dramatic black carbon column through sulfuric acid reactions that demonstrate organic chemistry and dehydration principles

and stir bar

the optically worked surfaces and ground polished edges parallel to the main-line 300mm-focal lens for backup-stock use

Gram staining for determining if bacteria are Gram-positive

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.