Source: Fast Company, Nov 2013
Rainbow Pencils. They’re pencils made out of multicolored layers of recycled paper, so as you sharpen them, the shavings unfurl into a miniature rainbow.
… designer Duncan Shotton rethought a mildly laborious experience–finding the pencil sharpener and twisting it carefully–as an enjoyable, rewarding one–discovering the pencil sharpener so you could craft another mini rainbow. With the Rainbow Pencil, a chore in your day becomes a break. That’s the power of delight.