Playable Angry Birds Birthday Cake Is The Only Spin-Off Video You Need To Watch

It may've taken poor dad 10 hours to make (and just minutes to destroy), but there's something to be said about this cunning physics exercise forced upon the six-year-old birthday boy. We hope he learned a valuable lesson about the rules of position, velocity and acceleration - not to mention the importance of brushing teeth afterwards. [Electric Pig]

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