Pilatus B4 kit can be built a a glider or electric. Originally designed to take a 500 sized brushed motor and 8.4v nimh pack but could easily be converted to an in line brushless motor and a lipo battery. Model has a a one piece glass fibre fuselage with vacuum formed canopy, main wings are foam cores and veneer covered with tailplane cut from balsa sheet, includes small parts and accessories. Manual is in German.