Gemstones have fascinated people for thousands of years. in the past only a few stones were classified as gems. Today, the number of gemstones is great and new varieties are being discovered all the time. Usually gemstones need to be specially cut and polished to be made into jewelry. You can learn more fun facts about gemstones by investing in this collection. Sixteen common gemstones are featured on this 4 X 6 card, along with interesting information included on the back of the card.
Command robotic creations with this cool construction kit!
Get this great introductory chemistry kit for your favorite young scientist!
View the glory of space with this hi-tech telescope set!
Learn about detective science through this fun fingerprinting kit!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
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