Test for nitrogen, phosphate, potash (the 3 main fertilizer ingredients) and for pH balance, a total of up to 40 individual tests. A very practi...View full details
Learn how to create an enormous geyser by combining Mentos¬Æ with soda. The erruption is amazing, up to 25ft high, and so is the scence just bene...View full details
12"x12" Teaching Tank only. WARNING: CHOKING HAZARD - This kit contains small parts. Not for children under 3 years.
Includes instructions for 32 awe-inspiring magnetic feats, penny history and magnet facts. With this extraordinary kit, children and adults alike...View full details
This kit contains: plastic snap-to-build planets, hanging structure, paints, glow-in-the-dark paint, paint brush, solar system poster, painting and...View full details
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