This 200g calibration weight is perfect for general laboratory, commercial or classroom use. You can use it to calibrate digital scales that require 200g of weight. Clearly marked for easy storage.
Recommended for ages 14 and older.
This glass Erlenmeyer mug makes an excellent gift!
This superb chemistry set features 350 mind-boggling experiments!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
Explore the wonders of wind power with this amazing kit!
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