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Grades 26. Recycle 2-L plastic bottles as a TerrAqua Column and study the connections between aquatic and terrestrial ecosystems. Students construct a control chamber and a treatment chamber to study the effects of nutrients in the soil on terrestrial plants and aquatic systems. Kit includes seed, soil, fertilizer, aquatic plants, and snails. Bottles are not included. Kit materials are sufficient for a class of 24 students. Note: Kit includes voucher to request perishable materials later at your convenience. Contact us or return voucher to request delivery of perishables.
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.