Sea shells, sea shells on the sea shore, this extraordinary 1000 piece jigsaw puzzle by the Natural History museum will leave your customers wanting more! They will love pieceing together the wonders of the ocean with our Natural History Museum Shells Puzzle! Featuring 1000 pieces of beautifully crafted sea shells, this design challenges one to explore and discover the hidden treasures of the sea. Embrace the inner adventurer and indulge in the charms of the sea. The Natural History Museum’s Mollusca collection is one of the most comprehensive and significant in the world, constantly in demand by the malacological research community. The type collection is the most scientifically important of its kind. The non-marine (terrestrial and freshwater) gastropod and bivalve molluscs collections are the most geographically diverse and historically important in the world, spanning the late 18th to the mid-20th centuries.