peepholebox

noun
UK /ˈpiːphəʊlbɒks/
US /ˈpiːphoʊlbɑːks/

A peepholebox is a small box with a tiny hole you look through to see a secret picture inside.

The children took turns looking into the peepholebox to see the hidden toy.


OTHER MEANINGS

2. A box with a small opening used to watch a tiny moving scene or show.

At the fair, the old peepholebox showed a little dancing figure.

3. A small container with a hole for secretly watching something.

He hid the peepholebox in his desk to spy on the classroom.

4. A toy box that lets you see a picture by looking through a hole.

Grandpa made a wooden peepholebox for my birthday.