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Celebrate Earth Day with National Geographic STEM kits at 2022 low prices, save up to 28% off

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In celebration of Earth Day, Amazon is offering a selection of National Geographic kits at their 2022 low prices. One of the standout kits from this sale is the Hobby Rock Tumbler Kit for $56.99 shipped. Normally listed for $70, this 19% discount marks a new 2022 low price we’ve seen. This kit comes with everything you need to take a rough gem and polish it down to a shiny piece suited for display. The tumbler with a 1-pound barrel is the centerpiece here with four bags of polishing grits. A detailed, full-color learning guide is included to help you along the way. Be sure to keep reading below for more National Geographic kit deals.

More National Geographic kit deals:

After you finish checking out these National Geographic Earth Day deals, be sure to stick around and check out all the other Earth Day deals we’re tracking. Right now you can save on AeroGarden products at up to 30% off. The AeroGraden Harvest model in all three colorways can be had for $100. The Vitamix FoodCycler home indoor composter is now $94 off for Earth Day as well.

National Geographic Hobby Rock Tumbler Kit features:

  • Make any stone sparkle and polish everyday rocks into dazzling gemstones! This rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.
  • Our high-quality tumblers are made with a durable motor that’s designed to last for years. The leakproof rubber barrel reduces sound, making it 75% quieter than other plastic models. An excellent STEM activity for kids.
  • Simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it and forget it! This is a great gift for kids.

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