How to Make a Gravity Puzzle (Brain Game)

How to Make a Gravity Puzzle (Brain Game)
  Grant Thompson - "The King of Random"
28714   3.18M  

The challenge is simple .. just balance 14 nails on one nail head ... at the same time!In this project you'll learn how to make a fun little mind puzzle, for giving as a gift, or for entertaining guests. You'll also learn the secret to getting all nail

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