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
How many sheets can i mail out with one stamp? Although USPS officially says 3 sheets of paper, 5-8 sheets plus an envelope usually weight an once or less (1 oz is the limit for a regular first class US stamp). See also: hâ¦ttp://wiki.answers.com/Q/How_many_sheets_of_paper_can_you_mail_in_an_envelope_per_stamp.