Wooden Mystery 9
The 9th Wooden Mystery.
The rules are disclosed in the first video in the playlist:
• Wooden Mystery 1
Answers should be in one of the following forms:
what the project does / what its for
technically, how it works
Comments will all be moderated - the correct answers will get a link to their channel added to the description. All incorrect answers will be posted for amusement and to lead people off the track of the right answer.
Winners of Mystery 9:
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Winners are encouraged NOT to share or compare their correct answers, since the correct answers may vary based on the technical feasibility of the answer and how close it is to being correct. Submit your guess today to promote your channel.