If your front yard if flat you need 21 stones for each layer your would like to build. A typical retaining wall around a tree would require 3 layers. If your front yard has a grading, you have to see how many stones you need depending of the grading.
How much does it cost? As of 2010, the 4-day passes to Comic Con were $100 each. However, it increased as the years went by. According to WhenNerdsAttack.com, the 4-day pass with preview night costs $175 for adults and $87 for juniors, military and seniors.
A 3-day CONVENTION PASS will cost $25 while individual concert+convention bundle ticket prices ranges from $250 to $50 USD. For more information on Los Angeles tickets and combo tickets, please refer to the chart provided by KCON below. KCON will be held for the first time in New York and will take place at the Prudential Center on August 8th. Tickets will officially go on sale on June 22nd at 10AM PT / 1PM ET with tickets ranging between $220 and $50. For more information on New York tickets, please refer to the chart provided by KCON below.