One of the quarks - beauty. Design dr T. Wróblewski.

4A model of proton and neutron (metal cubes) show another feature of quarks:
there are inside, like two pictures on opposite walls,
but no one can get them out of the cubes.

Italian quark (you can buy it in Trentino).

Leptons (from Greece).

The first trace of W boson [CERN]