The pet rock of 2007?
This is just amusing ... a low level sample and over priced. Apparently quite a bit is being made of it.
some of the comments are very amusing
Children's chemistry sets from the 1950s -- now those were dangerous. I guess if you really need something with a bit of risk it may be reasonable to buy some toys made in China and take your chances.
update. The page is gone, but here is the cache