Switching a load on or off from two locations requires two SPDT switches. There are many ways to achieve this. In this video Electrical Engineering XYZ Shares how to achieve this using Traveler wiring system.
A breadboard, sometimes called a prototyping board, or proto-board allows to quickly join electronic components to one another without having to solder component terminals and wires together. How to use a Breadboard (Video)
In Wye or Star connection all three wires are connected at a single neutral point. The left side of the figure below displays a circuit diagram of the Wye connection. While the right side displays how a practical Wye/Star connection will look like.