Texas 3D.
Indeed the prop used on the 61 FX is an "APC 14 X 4", not the 12.25 X 3.75.

Krazyflyer.
Covering is not the stick on type. Another great alternative to the Razzle is the Pheonix models "Fun Star". It's a 46 size, in the same vein as the Razzle only better.