Details of SKU: BLH013050. (1) Nano S3 BNF Basic Manual. Blade Nano S3 BNF Basic RC Helicopter Overview. Most impacts that occur while practicing 3D manoeuvres cause no harm. If you do happen to need a repair, nearly all the parts from the Nano S2 are compatible with the new Nano S. With the Nano S, hone your indoor 3D skills like never before.