Order early for pre-holiday delivery. Flinn 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: $93.60
In Stock.
This item can only be shipped to schools, museums and science centers
The thriving community of Carterville has been growing in leaps and bounds. After a long stretch of a bad economy, Carter Creek Paper and Plastics has doubled its business. This means more jobs, opportunities, and $$$ for the area! There is a dark cloud on the horizon for the Carterville area. The creek has been polluted! Your students have been hired by a local chemical testing laboratory to find the nature of the contamination and locate its source.
Includes 10 plastic slides, 15 toothpicks (stirrers), two crayons, eight water samples in three ml dropper bottles, eight soil samples in three ml screwcap tubes, five testing solutions (universal indicator, D Test, Polycrit, LeadStat, and MercuTest). Contains no phthalates, mercury, or lead products or samples. For 24 students working in pairs