There are some very strict safety regulations in the usa that attempt to insure the security of toys which are sold. But in spite of the strict regulations occasionally from time to time where unsafe toys allow it to be into the market.
All together the regulations that are in place to ensure toy safety have already been very successful. When compared to the number of toys that are deeply in love with the market each year there has been very few incidents that have been caused by unsafe or defective toys. Most accidents come from improper usage or common accident including tripping on them.