You can't make a circuit without wiring. This page lists wires, dupont cables and more.
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GPIO 40 pin ribbon cable $ 1.89
GPIO 40 pin ribbon cable breakout $ 6.02
Jumper wire assortment $ 4.53
Jumper wire male-female $ 1.79
Jumper wire male-male $ 2.35
Jumper wire female-female $ 1.99
Solderless jumper wires $ 4.25
Male dupont jumper wire kit $ 3.95
1x breadboard large $ 2.82
3x breadboard $ 4.75
40x Prototype PCB $ 6.07
20x 2-pin screw terminal $ 1.81
10x 3-pin screw terminal $ 2.15
2000x Resistors $ 8.09
433Mhz transmitter / receiver $ 1.41
HC-06 Bluetooth tranceiver $ 7.34