Calvin's 3x3x4 Review

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In this video, I review the Calvin's 3x3x4. Buy it here: http://bit.ly/1j9b7ni or http://bit.ly/VNUNhb

Disclaimer: The intro music, In the Hall of the Mountain King (by Grieg), is from YouTube's audio library. I do not own this song, though I am allowed to use it! ... https://www.youtube.com/watch?v=zTl5dVIDekw

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