These types of Bread Boards is designed for solderless experiment of electronic circuits. It is a huge aluminum board with breadboards fixed onside by screws. You can just plug the components on the breadboard, connect them with some jumper wires and the make the experiment work then! It’s totally free of soldering work, which saves time and is convenient and environmentally friendly.
89 Kingstreet St
#3200 London, PObox 19103