Borosilicate Glass Stirring Rod, 7.9", 10-Pack Science at Home_Elementary Science Set of 25 Collection of

Set of 25 Collection of different minerals and rocks collected from different places

Refracting white light into a visible rainbow spectrum

supplied dry so the user adds acid and charges it before running heavy-current electrolysis loads

12 VDC converter for accessory battery

Greatly enlarged pituitary-hypothalamus complex exposes the anterior and posterior lobes with connecting infundibulum for endocrine anatomy and physiology teaching

Borosilicate Glass Stirring Rod, 7.9", 10-Pack Science at Home_Elementary Science Set of 25 Collection ofBorosilicate 3. 3 glass stirring rods with rounded ends, chemically inert and thermal shock resistant for mixing solutions, aiding dissolution, and guiding decanting flow.