How to Make a Gravity Puzzle (Brain Game) (2013x6)
Exibido em:: Fev 07, 2013
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 nails these to balance at once!
