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.
This black scorpion specimen is great for the classroom setting!
Build your very own smart robot!
Build your own windmill generator kit by recycling a plastic bottle!
This is a classic demonstration toy of the powers of magnetic fields!
Perform awesome experiments using everyday materials found in any kitchen!
See the solar system in action!
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