I just received replacement plastic wing retainer straps and the plastic bolt that holds the strap and wing to the fuselage. The Multiplex part number you'll want to order is 224174. For some reason I couldn't find a part number for the Magister for this part. This is the part number for the Multiplex Twinstar II wing strap, wing hold down bolt, four of the plastic things that go into the control surface and attach to the push rod, and four of the metal gizmos that connect the push rods to the before mentioned plastic things. There was only one plastic tie down and one plastic bolt in my package and I received it from Hitec/Multiplex directly so before ordering I suggest you call them direct to double check that what you want is included. In the U.S. that number is 858-748-8440.

Javier, you had a nice paint scheme. I hope the damage wasn't too bad.
When I first received my Magister I had read a thread that suggested lowering the front wheel about 1/2 inch (raising the front of the plane) so that the wing collects more air and takes off more quickly. This may be the reason I hit and bounce if the front wheel hits first. I've moved the wheel up to the manufactures suggested spot (lowering the front of the plane). I'll see if this helps while trying what you've mentioned.

Carl