They're colorful and alluring, but Consumer Reports says there's a potential safety hazard with popular small toy balls and beads that expand dramatically in water.
There's been one recall, but many more of these super-absorbent polymer balls are still on the market.
Consumer Reports also looked at tiny polymer beads that are still on the market, including Orbeez.
While their full size is much smaller than the banned Water Balz, Consumer Reports says they also pose a safety hazard for small children.
Watch the entire report in the video player above.