The Estes Altitrak trigonometric altimeter calculates the altitude of your rocket's flight. Just follow the rocket in the sights to apogee, release the trigger to lock in the reading. It is that easy!
Use two Altitraks for greater accuracy. Great for school and science projects!
Recommended for ages 10+.
Copyright © 2006-2014 Heavenly Hobbies LLC. All Rights Reserved.