A "Trainer" can be many things. A "trainer kit" even more. Not only a forgiving flyer making it a good choice for flight training it can provide insight into contruction techniques useful when making the inevitable repairs, approaches to future builds, or if anything an appreciation for what is the marvel of flight.

On the other hand a kit is an abomination to those without the maturity or patience to address it or see it to completion. The SIG kits mentioned above are all great options with the LT-25 providing to my way of thinking a low-budget highly useful and with a high likelihood of successful outcome...both in the contruction and with the flight training. A simple Magnum XL-25 2-stroke engine and standard servos make for a very nice low cost airframe.

You didn't say if it is for you or intended as a gift and whether or not the builder has any previous R/C flying experience. This could impact any recommendations.

Kindest regards,

Clay