The L39 is build with a slotted syste which makes it relative easy to build, for beginners in building assistance is needed.
The model comes complete with all lasercut wood, sheetings, spars, canopy, etc, but without steering cables, ruderhorns, landing gear, covering, etc because this is to personal (scale details or just nice model for flying).
A turbine of 8 to 12 kilo trust is needed or similar 120mm EDF.
Wingspan 160 cm
Motor 120mm EDF or 8~12Kg turbine
https://youtu.be/U4lwrVAW7Jc (video from this model)