EuroGraphics Flowers Seed Catalogue Collection 1000-Piece Puzzle Box size: 10" x 14" x 2.37". Finished Puzzle Size: 19.25" x 26.5". The Smithsonian Institution Libraries have a unique trade catalog collection that includes Flowers Seed, dating back to 1830 documenting the history of the seed. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time.