Challenge the PhD in your family with this wooden puzzle box. Once closed, this clever box can only be opened using a very specific method that's difficult to discover! Hide cash or a gift card inside before gifting it to the smarty pants in your family as a special surprise! Once they figure out the solution, it makes a great place to protect valuables. Measures 5.5" when open.
From Project Genius, for ages 8+ yrs.
