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this is a mandatory adjunct to any science classroom in lieu of a picture of Fred Flintstone on a dinosaur. Junque science proponents and pollitical idiots try to persistently sell youth and idiots on buying shares in the Brooklyn Bridge and a little reminder of real science is as important as a picture of Justin Bieber if not more so.

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It is something that I've wanted. The price couldn't be beat.

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This is perfect for my son's bedroom so that he can learn about all the different elements and why they are placed where they are in the periodic table.

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I had to update: 110 from Uun to Ds, 111 from Uuu to Rg, 112 from Uub to Cn, and add 113 Uut, 115Uup, and 117 Uus. If I had realized how old this version was, I would have ordered the smaller Item #: 6137209 instead, but even then I would have had to update 112 from Uub to Cn.

Also, in response to an earlier post, I always put tape on the back of the corners and sides, then staple the poster to the wall so that it never tears no matter haow many times I remove it and restaple.

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Keeping up to date....amazed at how information keeps changing/increasing.