My son received this toy as a gift for his 6-month birthday. At the time, I remember hearing about how some plastic toys (often made in China) contain harmful chemicals that are known to cause cancer and feeling concerned that this toy might be one of them. I didn't do anything for awhile, seeing how my son enjoyed playing with the toy and thinking (stupidly) that if this toy were truly harmful, it wouldn't be sold in the U.S.
One day, I came across this toy on Amazon and noticed the warning to CA residents under "Product Details." I couldn't believe it when I read this toy is made with harmful chemicals known to "cause cancer and birth defects or other reproductive harm." I bet a lot of people who are giving this toy 5 stars are not aware of the warning.
UPDATE TO REVIEW ON 10-28-09: Amazon has removed the warning about the harmful chemicals, and in response to an inquiry I sent them told me "Product information from the item detail is added or deleted upon...