Squishy, slimy, foamy sensory toys are all the rage right now, from NeeDoh to squishy dumplings. Your tween probably can't get enough of them, and often they are sold out in stores. Unfortunately, ...

These collectible sensory toys have become one of the biggest children's toy trends of the year – but what exactly are they, and why are some of the dupes potentially dangerous? Drawing on nearly half ...