Nothing to build on these two rockets. They come out of the box ready to fly. Attach the parachutes and that fast you are ready for the flying field.

LAUNCH SYSTEM INCLUDED.

• Recommended Engines: A8-3, B4-4, B6-4, C6-5, C6-7
• Projected Max Altitude: 1100 ft. (335 m)
• Ready to fly out the box
• 2 rockets included
• Launch system included