The manufacturers are the ones shipping the toys to the lab, all they have to do is not cut corners on a few examples then they can use the cheaper, more vibran

The manufacturers are the ones shipping the toys to the lab, all they have to do is not cut corners on a few examples then they can use the cheaper, more vibrant lead paints on the remainder. People really hate personal responsibility like this but it's really how the world works. If you need to be sure about something, be it the wholesomeness of a product or that someone won't kick your door in at night, you need to take care of that yourself.