Buildings are the foundations of Cookie Clicker Classic. Buildings are items that gradually gain you more cookies for buying more buildings. Each building has an individual CpS (Cookies per Second) and increase in price each time you buy one. Cookie Clicker Classic Contains 9 buildings, including the Elder Pledge. Unlike in the newest version of Cookie Clicker, Buildings produces cookies every 5 seconds. Each building's price is calculated with the following formula, rounded to the nearest integer: where M = number of that type of building currently owned.