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Sea urchin jigsaw puzzle

Sea urchin jigsaw puzzle. Sea urchins are small, globular, spiny animals. They inhabit all oceans. Urchins typically range in size from 5 to 15 centimetres, although the largest species can reach up to 35 centimetres. The spines, protect the urchin from predators. Typical sea urchins have spines that are 1 to 3 centimetres in length, and not terribly sharp. The spines inflict a painful wound when they penetrate human skin, but are not dangerous.

The images on our free jigsaw puzzles include beautiful scenes from nature, buildings, animals. You can choose the level of difficulty: 9x9, 8x8 or 7x7. Click a piece and drag it to the solution area. Use the thumbnail picture at the top to help solve it. If you are new to puzzles, it is recommended to build the edges first, then the inside pieces, or to work on one color at a time (such as sky, snow, sea..). Jigsaws can help logic skills and those who have good logic and deduction skills are usually good with puzzles.

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