Identifying Small Glass Tubes Containing Three Tiny Ball Bearings

adminon
Those small glass tubes containing three tiny ball bearings are most likely "Newton's Cradle" demonstration tubes—but more commonly, they’re actually vial-style spirit levels or educational physics toys. However, the specific configuration you're describing—a sealed glass tube with exactly three small metal balls inside—points strongly to one classic item:

 They’re “Agitating Capsules” or “Mixing Balls” from Old Medicine Vials

But here’s the more precise and likely answer:

 They’re “Vortex Mixers” or “Sample Agitator Tubes” (Lab Use)

In laboratories, small glass vials sometimes contain stainless steel or glass beads (often 2–5) to help mix or homogenize liquid samples when placed on a vortex mixer. The beads create turbulence, ensuring thorough blending—especially for viscous or suspended solutions.
However, if these are loose, standalone tubes (not part of a kit), there’s another possibility…

 Most Likely: They’re “Klacker” or “Clicker” Toys (Vintage Desk Toys)

These were popular mid-century novelty items—sealed glass tubes partially filled with inert gas or air, containing 2–4 small steel ball bearings. When you tilt or flip the tube, the balls roll and click together, making a soothing, rhythmic sound. They were sold as:
  • Stress relievers
  • Executive desk toys
  • Fidget tools (before the term existed)
 Key clue: If the tube is completely sealed, makes a gentle clicking sound, and has no opening or cap, it’s almost certainly a vintage fidget or sensory toy—not a lab item.
Continued on next page//

To see the complete cooking instructions, go to the next page or click the Open (>) button and don't forget to SHARE it with your friends on Facebook.

Next »»