EuroGraphics Russian Matryoshkas Dolls 1000-Piece Puzzle. Box size: 10" x 14" x 2.37". Finished Puzzle Size: 19.25" x 26.5". The Matryoshkas dolls, also know as Russian nesting dolls or stacking dolls is a set of wooden dolls of decreasing size placed one inside the other. This colorful image makes for a beautiful puzzle in this collectible theme.