This story originally appeared in Kids Today, Vox’s newsletter about kids, for everyone. Sign up here for future editions. The NeeDoh Nice Cube is a lump of soft plastic a little over 2 inches tall. It comes in blue, pink, or purple, and retails for $5.99. When you squeeze it, it produces a pleasing, squishy sensation, subtly relieving the stress of the day and replacing it with a sense of calm and peace. At least, I have to assume it does. The Nice Cube — and other NeeDoh variants, like globs,