It's really the little things that make Carl from the Pixar movie 'Up' the perfect party costume -- the tennis balls on that PVC pipe walker are not only functional, they're also accurate. Okay, *technically* the tennis balls should be on a cane, but what are you going to do, fill a kid up on cake then give him essentially a big stick to swing around? That's a surefire way to ruin the cutest party ever. Get a closer look at Lil' Carl below.

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