And when you finger-paint with a kid or you dance and you see their little eyes light up, it's pretty incredible.

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Custom shops can cut out logos on the side and light them with neon rope lights, add blue-green LEDs to the fans inside or give the box a custom paint job.

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When Woodside, California, mom Dana Sanderson asked her daughter Kit, then 6, what would help her sleep alone, Kit decided she needed a bigger night-light and a "Mommy pillow, " a body pillow with her mom's image traced in fabric paint.

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