Leonardo Da Vinci's Flying Machines Kit: Paper Airplanes Based on the Great Master's Sketches - That Really Fly! (13 Pop-Out Models; Easy-To-Follow In (Other) | Devaney, Doak and Garrett Booksellers
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The Leonardo da Vinci Puzzle... by Galland, Richard Wolfrik
The Leonardo da Vinci Puzzle... by Galland, Richard Wolfrik
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