Fastest time to build a wanko pyramid

According to Official Guinness Records,

The fastest time to build a wanko pyramid is 13.40 seconds and was achieved by Kamyu Mori (Japan) during the Park Challenge / GWR Live! at Tokyo Midtown, in Minato, Tokyo, Japan, on 6 May 2012.
This was the last attempt of Park Challenge / GWR Live! at Tokyo Midtown 2012.

For a complete list of 2012 records, please visit 2012 Guinness Records in Japan.

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