START A BIT > Tools & Materials > This page
Breadboard is to help wiring without soldering, just plugin the electronic components, jumping wires, easy to change wiring and reuse for different projects and prototypes.
There are different sizes, what we have is like the picture showed here.
Click here for a demo in Tinkercad, so to know how the holes are connected internally.
We have breadboards as part of our bought Arduino kits. They can also be bought in many other stores, like HANDS-ON SCIENCE