4M 7 Crystal Growing Science Experimental Kit with Display Cases - Easy DIY STEM Toy Lab Experiment Specimens, Educational Gift for Kids, Teens, Boys & Girls
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NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit
This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day limited hardware warranty.
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National Geographic JM80570M Rock Tumbler Starter Set – Educational Rock Polishing Hobby Kit with Noise Reducing Drum, Gemstones & Grit, Jewellery Settings & Full Colour Guide – Science Kit – STEM
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