Order early for pre-holiday delivery. Flinn (or Educational Innovations) will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025, will ship after we return.
Price: $99.32
In Stock.
This item can only be shipped to schools, museums and science centers
For 3 groups
Materials Included in Kit:
Aluminum foil, 12" x 12" sheet, 2
Sodium thiosulfate pentahydrate, 2 g
Starch, soluble, potato, 5 g
Sulfuric acid, 18 M, 30 mL
Winkler solution #1, 30 mL, 3
Winkler solution #2, 30 ml, 3
Cup, clear plastic, 9 oz, 6
Pipet, Beral-type, graduated, 6
Pipet, disposable, pasteur, 5¾", 2
Replacement stopcock, 3
Stopper, black rubber, solid, size #2, 18
Syringe, 12 mL, 3
Tubes, culture, disposable, 20 x 150 mm, 18