Jumper wires are excellent use for breadboards.
With a breadboard you could of course also just use normal stiff wire, but these different length jumper wires makes it a lot easier to get started.
These wires comes in a pack that contains the following different length, a total of 75 wires.
- 55x 100mm
- 10x 140mm
- 5x 180mm
- 5x 230mm