Take on the extra challenge of a round puzzle! As you puzzle, learn the building blocks of biodiversity: the wide variety of organisms that make up all the life on our planet. Like a jigsaw puzzle, every organism is an integral part of a larger, vital whole. Try this puzzle and get the big picture!\r\n\r\nFeatures:\r\n\r\nPuzzle size: 23 IN in diameter / 58.5 CM in diameter\r\nBox size: 12\