Solderless breadboards are commonly used for prototyping because they allow you to quickly build temporary circuits without soldering.
It has 2 power buses, 63 columns, and 10 rows - a total of 830 tie in Points. All pins are spaced by a standard 0.1". The two sets of five rows are separated by about 0.3", perfect for hold a DIP package over.
This board also has a self-adhesive on the back. The boards also have interlocking parts, so you can hook as many together as you'd like.