eeBoo's Natural Science 100 piece jigsaw puzzle features the striking artwork of acclaimed children's book illustrator, Melissa Sweet. The award-winning Natural Science Puzzle boasts a gorgeous array of nature's most spectacular creations. This stunning 27 x 18 inch rectangular puzzle has been thoughtfully commissioned and beautifully designed in an ideal format for transitioning from simple children’s puzzles to more challenging adult jigsaw puzzles. They offer a screen-free, relaxing way to practice patience and concentration while sharing a gentle cooperative activity with friends and family.