This was a fun little project to make. The goal is to open the box.
Build Instructions: https://www.instructables.com/id/Nail-Puzzle-Box/
How it work: https://youtu.be/9t4GRjx8-y8
Estimated Cost
$5
Estimated Time Investment
Afternoon Project (3-6 Hours)
Finish Used
Cherry Stain
Recommended Skill Level
Intermediate