Build Your Own Functional Art Over the years, I've made concealment mirrors, shelves, tables—you name it. But today, ...

The speaker also has an IP67 waterproof certification and is described as "everythingproof," so your recipient can float it ...

Now, unfortunately, a memento box wouldn’t be very useful if you had to go to a secret place every time you wanted to open it… so [Mike] decided to secure it another way, using RFID!