TUOFENG 22 AWG Wire Solid Core Hookup Wire, 6 Different Colored Breadboard Wires 30ft Each, Electronic Wire with PVC for Arduino

Dupont wires are typically too thin for the holes in a solderless breadboard. You need something more like these: https://www.amazon.com/Aoicrie-Preformed-Breadboard-Lengths-Assorted/dp/B07WLPN929 Or you can buy spools of wire and cut to custom length: https://www.amazon.com/TUOFENG-Hookup-Wires-6-Different-Colored/dp/B07TX6BX47/136-6268818-4608037?sloctc=1