seaplane toy plane with propellers 3D model is available on CGTrader for $29. Original author: dannymax0000. Specs: 30202 polys, 17389 verts.
STL (Stereolithography, filesize: 1.44 MB), OBJ (OBJ, filesize: 2.31 MB), 3DS (3D Studio, filesize: 701 KB), FBX (Autodesk FBX, filesize: 1.15 MB), MAX (Autodesk 3ds Max, filesize: 3.29 MB)