Availability: Out of stock


Micromagnets, Speks and Zometool in stock. No more 5mm Neoballs or Zen Magnets.


All orders ship from Colorado within 24 business hours. Shipping is a flat $5, or free for orders over $100, for all US Domestic orders.


Micromagnets, Speks and Zometool in stock. No more 5mm Neoballs or Zen Magnets.


All orders ship from Colorado within 24 business hours. Shipping is a flat $5, or free for orders over $100, for all US Domestic orders.

Comes with:

  • 18 Black Neoballs (5mm) Magnet Spheres
  • The compulsion to dress in all black, wear eyeliner and studded accessories

Blackening spring sky // Thunder crashes, lightning bolts. // Dog starts to whimper.

Haiku by Kevin McLaughlin

Much like the White Neoballs, the coating on these Black neodymium magnetic spheres are opaque with a sexy matte finish. Sleek like black piano keys, obsidian, a clean blackboard, or the night - this coating offers increased longevity, a warmer initial touch and softer contact sound when connected. Yes, that’s right. In studies based mostly on science, we found that the color black is quieter than the other colors. These are like magnet sphere ninjas, or like neodymium ball stage-hands,or a panther, which is also black and quiet!

Colors won’t fade with soft abrasion and if used gently, the coating can last for years. The matte texture diffuses reflections, but is still slippery smooth to the touch.

The coating is strong & thin, but still soft compared to Electro Neoballs. Polymer coatings are too precious to withstand high speed impacts, or rough kneading. Polymer coatings are DEFINITELY too precious to give to children under the age of 12. More so, they are too DANGEROUS to give to children under the age of 12, because they - for whatever reason - swallow them and require surgery. So keep pretty, shiny Neoballs away from small children

All Polymer neodymium magnet balls feature a ± 0.05mm tolerance.


Black Neoball Corrosive Resistance

Not susceptible to oxidation, rusting, tarnishing, and moisture erosion, this coating is very strong.


Black Neoball Geometric Tolerance

Okay shape and size consistency of magnets. The size variance of these magnets is ± 0.05mm. Currently, this is the tightest tolerance available for this style of magnet.


Black Neoball Impact Hardness

Some shielding to collision, scraping, hitting and dropping. These magnets will not withstand high speed impacts, collisions, or rough kneading without chipping or denting coating.


Black Neoball Abrasive Strength

Very good strength against rubbing, wiping, brushing, and kneading.


Neoballs are premium sculpture magnet spheres by the Zen Magnets Company. 5mm diameter, n35 grade neodymium, all Coated rare earth magnets feature a ± 0.05mm tolerance.  Due to our constant struggle for perfection, colors may vary slightly from batch to batch. We are the last American magnet sphere company, and the only one still fighting for the right to sell High Powered magnet sets in the US. Buy your balls from a company with balls - purchase Black polymer coated Neoballs now!


Customer Reviews

Based on 19 reviews
AM (Camano, US)
Very fun

I ordered these to add to the rainbow set I purchased. I have yet to develop the proficiency for working with them in a skillful way, but I have made a few shapes and I really like the looks of them as well. They are of high quality and the colors are vibrant.
A note to anyone who has not experienced powerful magnets before, definitely heed the warnings about them. They are incredibly strong. If I had pets or small children in the house, I probably wouldn't have them around at all.

Fun with Magnets (South Windsor, US)
Neoballs Tesseract Cassete

HI Team,
I purchased Tesseract Cassette as I love playing & exploring magnet art. The delivery was prompt. So far, these magnet balls have been a blast. Shiny, cute & does what it is supposed to do. Please take a look at my unboxing video. https://youtu.be/rgBneadFHy8

Christine T (Denver, US)
Excellent purchase

Got these for my 12 yr old son. With the current state of school at home it has been great in helping him focus when listening to online classes. I have also enjoyed manipulating and creating with these magnets. I think these are appropriate and great for all ages and activities.

Thank you for your feedback! As a reminder, the government recommended age for these products is 14+. High powered magnets are dangerous if ingested. Please ensure the magnets are used responsibly.

Justin Peltz (Irving, US)
Quick Delivery!

Good service!

Leesa Valentonis (Winnipeg, CA)
Awesome product

My son absolutely loves these! They are by far his favorite brand of magnets to play with and build. They’re so well made, and they always arrive right on time in perfect condition! Very happy with my purchases