A set of 10 pH Buffer Powder packets. Includes 5 pH 4.00 packets and 5 pH 6.86 packets. These are used to calibrate pH meters, and can also be used to monitor pH levels in aquariums or swimming pools.
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.
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
The Wimshurst Machine is a high quality static machine for student labs.
This kit includes several different projects that demonstrate the power of magnets!
Discover how solar cells make electricity with this awesome kit!
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
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