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.
SAVE UP TO $47.48 WHEN YOU RIDE NJ TRANSIT TO SIX FLAGS GREAT ADVENTURE OR HURRICANE HARBOR!! Package prices include round-trip bus fare and admission to either the Theme Park or Hurricane Harbor. New in 2010! Get ready to descend into a seven-story funnel with 5,000 gallons of rushing water when Tornado touches down at Six Flags Hurricane Harbor.