EuroGraphics Eilean Donan Castle - Scotland 1000-Piece Puzzle. Box size: 10" x 14" x 2.37". Finished Puzzle Size: 19.25" x 26.5". This 13th century castle is in the highlands of Lochalsh Scotland. It was most probably called after the 6th century Irish Saint, Bishop Donan. Strong high-quality puzzle pieces. This superior quality puzzle will delight and educate all at the same time.