Interesting Puzzle Box The Xbox puzzle. This guy reviews puzzles and this is one of coolest, most complex I’ve seen him solve so far. Facebook Prev Article Next Article Machinery Checkout these cool gadgets... Related Posts Building the Steam Controller, by Valve Watch a Humongous Hungry Machine Crush and Swallow Engine Blocks This One-of-a-Kind Machine has 588 Metallic Teeth Computational Thermoforming Twisted Helical End Drill Reduces Cutting Resistance Tourbillon: Testing of a new generation theme park ride