gear necklace Planetary Gears Necklace
SKU: 96902087493
gear necklace

gear necklace Planetary Gears Necklace

Sale price$22.77 Regular price$25.30
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  • USA
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

gear necklace Planetary Gears NecklaceMechanics in Motion. Elegance in Engineering. Hidden within countless machines, from electric cars to robotic arms, moves a delightful mechanism within engineering: the planetary gear train, also known as epicyclic gearing. Planetary gears are compact, powerful, efficient, and versatile. Their ability to provide high torque in a small space while allowing multiple speed and direction outputs makes them indispensable in modern mechanical engineering.

Mechanics in Motion. Elegance in Engineering.

Hidden within countless machines, from electric cars to robotic arms, moves a delightful mechanism within engineering: the planetary gear train, also known as epicyclic gearing. Planetary gears are compact, powerful, efficient, and versatile. Their ability to provide high torque in a small space while allowing multiple speed and direction outputs makes them indispensable in modern mechanical engineering. 

Our Planetary Gears Necklace brings mechanical brilliance to life with real working gears that actually spin! Crafted with extreme precision, the pendant features a fully functional miniature gear system, complete with a central “sun” gear and three orbiting “planet” gears, just like real-world planetary gear systems. With a gentle turn, the gears engage and rotate smoothly—transforming mechanical motion into wearable art. 

The polished silver steel and gold plated steel pendants measure 1 inch in diameter and are available on a variety of chains and leather cords. Durable and lightweight for everyday wear, this necklace is also stylistically versatile enough to span t-shirts to prom dresses and everything in between. As an extra bonus, the pendant doubles as a satisfying kinetic fidget.

Like all of our jewelry, this necklace comes ready for gifting in a hand-stamped gift box (or black velvet bag for international orders) along with a little card explaining the meaning of the design.

Perfect for:

  • Engineers, robotics enthusiasts, physicists
  • Teachers, students, makers
  • Anyone who finds joy in the way things work!
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 96902087493

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bryce colwell
Port Orchard, US
★★★★★ 2
too soft, useless. but cool, kindah
Set name: UltraCool Pillow, Standard - Medium/Firm Firmness, Item length width: 30.0 Inches
the problem with these "cooling" pillows is any cooling effect is almost completely negated by a pillow case. this particular pillow is cool to the touch, but completely useless as it flattens out completely, way too soft I think for anyone. I would not recommend this "NASA" pillow for anyone for anything. Maybe for 10 bucks, but certainly not what they ask for this. I did keep it though. It is "cool" but only for a moment and your flipping it around like any other pillow. also way too soft. BUt, it has been cool enough to get me back to sleep.
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Reviewed in the United States on May 29, 2025
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Jack D King
Grantham, US
★★★★★ 5
Fantastic pillows
Set name: UltraCool Pillow 2-Pack, King - Medium/Firm, Item length width: 40.0 Inches
I cannot say enough how happy I am with these pillows. Truly amazing. I put REST pillowcases on them and they are constantly cool/cold.
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Reviewed in the United States on August 11, 2025
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Rachael C.
New York, US
★★★★★ 5
Love it
Set name: UltraCool Pillow, King - Soft/Medium Firmness, Item length width: 40.0 Inches
I really like this pillow!! It’s a nice medium fluff. I do think it feels cooler. And, when you flip to the “cool side of the pillow” it’s realllly chilly. It’s very long - it sticks out of my king size pillowcase a little bit - but not enough to be bothered by it.
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Reviewed in the United States on September 13, 2023
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Jim Arnall
Massapequa, US
★★★★★ 5
Excellent !!
Size: Standard (Pack of 2), Color: Original White
Like many other folks my age, I suffer with Neck & Shoulder pain throughout the night. I have bought and tried several Gel-Foam Bed Pillows, even the contoured pillows. None of these pillows can compare to the Vaverto Memory Form Pillows !! These Vaverto's Pillows are the Best Supported and Comfort Gel-Infused Pillows I have ever slept on !! They have just the right amount of firmness for good neck support. I Highly Recommended These "Vaverto Memory Foam Pillows" For Neck Pain Relief And A Good Nights Sleep !! JimA, Mt.Vernon, Mo.
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Reviewed in the United States on April 27, 2026
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Jerry
Cuba, US
★★★★★ 5
Nice Pillows!
Size: King (Pack of 2), Color: Original White
Very nice, quality pillows. They came compressed but expanded very quickly when the plastic wrapping was removed. They are a bit firm but are very comfortable and soft. Very pleased with the pillows.
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Reviewed in the United States on May 1, 2026

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