The set is 19 inches long and has a wing span of 21 inches.
This is a description taken from LEGO.com. Do not modify it.
Build the Wright Flyer!
Celebrate a century of flight with this detailed replica of the Wright Flyer. The world's first powered airplane took off from Kitty Hawk in December, 1903 and changed history! This realistic model reproduces the features of the famous biplane. Fully assembled, it is 19 inches long, 6 inches high, and has a wingspan of 21 inches. Add this amazing aircraft to your LEGO collection!