The CPSC explained that water beads can contain dangerous levels of a toxic chemical called acrylamide ... and why pediatricians say children shouldn't play with water beads at all.

Pollution is everyone's problem. For more disturbing photos of polluted areas, check out these images of China's contaminated water systems.

They shared photos of where the kids were playing and running water is now visible on those parts of the river. Parents are asked to talk to their children about their safety on the ice.

It turned out she had ingested the small, water-absorbing beads her older sister was playing with ... the water beads were marketed as non-toxic eco-friendly and biodegradable, everybody thought ...