Stores can't keep them on the shelves. Shoppers are lining up outside, sprinting through aisles and emptying displays the moment new stock arrives. Some retailers have started capping how many a single customer can buy. The object at the center of this nationwide scramble is the NeeDoh, a small squeezable toy that has turned a routine errand into what fans now call "NeeDoh hunting." If you've spent any time on TikTok lately, you've seen the videos.