How could they possibly fit a 4-port USB hub into a LEGO brick? They used one of those DUPLO bricks—you know, the anti-choking kind made for toddlers or whatever. Luckily, this hub isn’t just some 20-step Instructables idea that you’ll never do. You can actually buy this thing in one of seven different colors.

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LEGO USB Hubs Can Be Assembled to Make Bigger LEGO USB Hubs [Lego]