Objective: Make a hidden treasure box for fun and collect coins in it.

Which of the following solutions is more sound in terms of naive physics reasoning?

Options:
I. You can also use jewelrs hinges and screw them to finished product so you can open and close the box.
II. Buy a large chopping block and take a router with a deep boring bit and cut out a large pocket are in the block.Then use a thinner cutting block and cut it down to sie to make the lid for it.
II.