Most drop towers require child riders to exceed a minimum height; limits vary widely depending upon the nature of the tower, with a 30-foot (9 m) tower for smaller children from 37 inches (95 cm) tall, and a 115-foot (35 m) tower having a 51-inch (130 cm) restriction.
How many sheet of copy paper equal an inch? Using good quality 24 pound paper, a one inch thick stack is about 215 sheets. Using the more common 20 pound paper - popular in schools - one inch is about 250 sheets. Edit
In the United States and Canada the normal size of paper is called letter size, or sometimes US letter. It is 8Â½ inches wide and 11 inches long. The other common size of paper in the US is called legal, or sometimes US legal. It is also 8Â½ inches wide, but it is 14 inches long. It is similar to the size called foolscap in Britain.