Technicolor is like when you use different colors to paint a picture. Just like how red and blue make purple, scientists believe that there are different colors of particles that come together inside atoms to make the stuff we see.
In particle physics, these colors are called "charges". When two particles have opposite charges, they stick together like magnets. But scientists were puzzled because they couldn't see where these charges came from or why they existed.
That's where technicolor comes in. Imagine if the particles inside atoms were like a party where everyone is dancing, but they need music to dance to. Technicolor is like the music that keeps the particles moving and grooving.
Scientists think that the music of technicolor comes from a new type of particle called a "technipion". Technipions carry the force of technicolor and make the particles inside atoms stick together.
It's a bit like the way glue sticks paper together. Just as the glue is the force that sticks the paper together, the technipions are the force that stick the particles inside atoms together. Without the technipions, atoms would fall apart and there would be no stuff.
So, to sum up, technicolor is like the music that keeps the particles inside atoms dancing and grooving, and technipions are the glue that stick these particles together to form all the stuff we know and love.