Jigsaw puzzle improves the alertness of the brain and sharpens the memory.. The first jigsaw puzzle was manufactured by John Spilsbury in the year 1766. It was in a form of map and subsequently used as educational device in class rooms to teach Geography. It is also an economical and reusable enjoyment. Spilsbury turned jigsaw puzzle to business. It was in middle of 18th century



Over the period of time the maps in the puzzle added new dimension by establishing natural scenes, buildings, monuments, castles, animals, birds, etc. Jigsaw puzzles was made of wood. Later it cardboard was used. It was cheaper. After the beginning of cardboard, photos and prints were pasted in the cardboard and designed to form.Jigsaw puzzle has many shapes.It varies from 300 pieces to 1000 pieces. However the largest jigsaw puzzle in the world has 24,000 pieces and measures 428 x 157 cms. A few puzzles are also made on both the sides, so that, the puzzle can be solved on both the sides with different pictures.{Few puzzles are made on both sides.It has different pictures. It is a bit complicated. Jigsaw puzzles are also available in spherical shape, which are 2 dimensional, with shapes like Moon, Earth, etc.

With the development in technology we have laptop versions of jigsaw puzzle. Before the computer version came into existence, Tiling puzzle and mechanical puzzle were in use. These were done actually. In computers you see the puzzle in screen. You play with mouse Special software's are obtainable for the puzzles. This software's allows puzzle enthusiasts to continue to enjoy the challenge of arranging the scrambled pictures without the need for physically constructing.

On the online version of jigsaw puzzle you have varied types of puzzle and to download them you should have different types of software like Java, Flash, Shockwave, etc. There are thousands and thousands of jigsaw puzzles available for free. Advantage of the online version is, you can generate your own puzzle, also, and place them in your web site or share them with friends. On a paid online site you have superior variety of jigsaw puzzle where you have to become a member.Paid membership is available. You find advanced puzzles. There are online puzzles which may take hours to complete. It can vary from number of pieces to number of different cuts and is rather complicated. With good and suitable software you can create any image you want and create a jigsaw puzzle that uses very smooth and fast computer graphics. Now you can have the jigsaw puzzle in your mobile. You have to adjust the pieces to a normal conclusion. Jigsaw puzzles can be downloaded. You should have a GPRS mobile phone Online versions also have such puzzles which limit the move to assured number of steps and you have to solve within the fixed steps. For example if it is a 5 x 5 puzzle you have to solve in 25 steps or moves.

Free jigsaw puzzles are plentily available in the internet. Jigsaw puzzles are just like knowledge management which are complicated.|Jigsaw puzzle is complicated. Knowledge is also complicated} There are so many unconnected pieces that we are not even certain what they are sometimes. All pieces fall together sometimes. It gives a good result.