Kids have enough of a challenge trying to keep their coloring inside of those lines, so why not throw them a bone when it comes to something like drawing a rainbow? Not only will these tongue-and-groove crayons never roll off a desk and shatter, they actually all connect together letting young artists draw a perfect rainbow, or any multi-colored optical effect, in one motion.

A six-pack is just $7 from Perpetual Kid, which of course means that 14 percent of the necessary ROYGBIV colors needed to make a perfect rainbow are not included. But on the plus side, these aren't your run-of-the-mill wax crayons. They're actually made from plastic, so they're cleaner and produce smoother colors on paper. Although here's hoping they're still as easy to clean off walls. [NPW Gifts]


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