Cork, No. 9

These large No. 9 lab-grade corks fit 1-2 liter plastic soda bottles.

Pack of two test tubes.

These No. 14 lab-grade corks fit Pyrex 250 ml flasks and most 500 ml flasks.

You will always have the right size rubber stopper on hand with this 2 lb package of assorted solid, 1-hole and 2-hole stoppers ranging in size from #00 to #8. You get 60 stoppers total.

24 gauge solid copper wire with PVC insulation is perfect for connecting batteries, bulbs, switches and most other electrical projects.

This Lugol's iodine solution stains carbohydrates in plant & animal specimens brown or blue-black & stains glycogen red. An aqueous solution of 1.8% iodine & 3.0% potassium iodide. Lab grade; not for food or medical purposes.

Methylene blue stain is a solution used to highlight certain cell parts of animal, bacteria, and blood tissue specimens. This stain is a 1% aqueous solution, and it's especially useful for microscope slide preparation.

This kit contains 29 of the harder-to-find items for the experiments in the R.E.A.L. Science Odyssey Level 2 Biology course.

Diameter of 26-32 mm. Fits Pyrex 250 ml flasks.

A monocot root tip with all stages of mitosis visible! Telophase - the final phase of cell division - will appear as two nuclei are formed and have little or no cell wall between.