ESTES 2232 AlitTrak Altitude Finder Wheel Sets - 36" Complete your scene with Cornerstone

Complete your scene with Cornerstone Street System and Grade Crossing kits

MRC 1278 Tech 7 Model 780 Dual Power 20VA with Momentum DC Model Train Powerpack Tech 7 ampac 780 features two independent Tech 7 units in one housing

Made from a unique flexible material that's self-adhesive

1x 6" Battery/Receiver Power Wire

ESTES 2232 AlitTrak Altitude Finder Wheel Sets - 36" Complete your scene with CornerstoneESTES 2232 AlitTrak Altitude Finder How high did it really go? Next time, measure it with this easy to use device. Follow the rocket in the sights to apogee, release the trigger to lock the reading. It is that easy. Use two Altitraks for greater accuracy. Great for school and science projects! Estes model rocketry is recommended for ages 10 and up with adult supervision for those under 12. Unless otherwise specified, all models require assembly.