Eurographics Flowers Seed Catalogue Collection 1000-Piece Puzzle. The Smithsonian Institution Libraries have a unique trade catalog collection that includes Flowers Seed, dating back to 1830 documenting the history of the seed. Smart-Cut™ Technology. Premium Quality: Crafted With Premium Blueboard And A Linen Finish For A Durable, Glare-Free Experience. Eco-Friendly: Manufactured Using Recycled And Responsibly Sourced Materials. This colorful puzzle measures 48 x 68 cm completed. Box size: 25,4 x 35,6 x 6 cm. Ensuring a snug fit and hours of relaxing enjoyment.