One creative and very talented guy under the nickname "dno" makes amazing miniature things and keeps no secrets of how he does it!
This jam jar is 11 millimeters tall and has a diameter of 8 millimeters!
They look like real, aren't it? But in fact these are just regular painted capacitors.
They can be found in TV antennae with signal multipliers.
This is the inner part of a TV antenna signal multiplier.
Try not to damage capacitors picking them out.