Juno - SDCB (Sequential Discovery Cube Box) (2021) - including extra piece

 Puzzle designed by Junichi Yananose SDCB (Sequential Discovery Cube Box) (2021)

This one is my favourite of Juno's so far. It is a fantastic puzzle and not quite as straight forward as the SDBB Master. It includes the original piece hidden in the white envelope. My understanding is that when Juno realized this piece could be used to bypass a certain step he changed the construction and shipped a better version to those who had already received theirs.

from Juno's description:

The puzzle may be categorized into Juno's disguised series, following Sequential Discovery Burred Box, SDBBB and SDBB Master. His first intention was to produce a simple 3 x 3 x 3 cube puzzle but after he prepared timber stocks, he changed his mind and started adding features to make it into a sequential discovery puzzle.

The puzzles can be solved with gentle operation, and there is no need to bash or violently shake the puzzle. Of course, the use of any tools not included in the puzzle is prohibited.

The base is not part of the puzzle, it is there to display the puzzle. The wood used is Spotted Gum, which is native to Australia and may have minor defects such as grub holes and hairline cracks. The stability of the puzzle when placed on the base is not so high, so please be careful not to let the puzzle fall when displaying it in an area with a lot of vibration caused by something like earthquakes or construction.

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made from Fijian mahogany, spotted gum (base), iroko, jarrah, a sprinkling of metal, and a surprising amount of complexity for its size. serve with beer and chips.

puzzle has been kept out of sunlight, in a humidity-stable room ,  and in a non-smoking household.

thank you for looking, and good luck if you bid.