K-13-N: Steel Spheres (not magnets!)
Steel Spheres (not magnets!)
Nickel-plated
Diameter: 12,7 mm
Nickel-plated
Diameter: 12,7 mm
| Article ID: | K-13-N |
| Weight: | 7,5 g |
| 20 pcs. | 0,28 EUR ea. | |
| from | 60 pcs. | 0,23 EUR ea. |
| from | 140 pcs. | 0,20 EUR ea. |
| from | 360 pcs. | 0,18 EUR ea. |
| from | 760 pcs. | request price |
incl. 19% VAT
plus shipping
Order 20, 40, 60, etc.
available: 121560 pcs.
Not magnets... steel spheres.
For beginners...
... and advanced
From above.
Dramatic enough?
Somewhere in the midst of these steel spheres, there is one K-19-C.
Note: only the large sphere (K-19-C) on top is magnetic. The other 8 are simple, non-magnetic, steel spheres that are magnetised through the one magnetic sphere.
This structure rotated with a single push for 25 minutes! The explanation for this is the low amount of friction and the minimal amount of aerodynamic resistance. The low friction stems from the two steel spheres (on top) having contact over a very small surface area only and also because the structure is so heavy, that it is nearly ready to fall. By the way, the two steel spheres are not magnets, but are magnetised through the rod magnets.
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