The file 'Duplo Boat 3D Printer Model' is (stl) file type, size is 237.81 KB.
Duplo-compatible small boat with 6x2 nibbles at the bottom. Design is slightly modified demo from DELFTship finished in OpenSCAD.
It actually can float loaded but it sinks to the bottom when full of water.
Size: 175 x 65 x 35 mm