I am not from that area and can only offer what I have found on the web.
There is a flying club near you.
and the closest shop I could find is
Align, E-flite, Graupner, Thunder Tiger, Kyosho, HPI, etc.
Rijksweg 68 (Heer / Gronsveld)
+31 43 3613334
Opened from Tuesday to Saturday 9h -18h00
Except Thursday (until 21h00) and Saturday (until 17h00)