Located in a suburb of Sapporo, Hokkaido, Japan, the Case House, designed by Jun Igarashi Architects, looks like a simple box design on the exterior, but the white and wood interior is full of surprises.

A Box Like House is Full of Surprises on the Inside in main architecture  Category

The wires that extend up to the roof are there in hopes that growing plants will wind their way up adding a buffer zone between the outside and inside of the house.

A Box Like House is Full of Surprises on the Inside in main architecture  Category

To liven up the simple exterior, the panels that clad the house get smaller in height as they get closer to the ground.

A Box Like House is Full of Surprises on the Inside in main architecture  Category

A Box Like House is Full of Surprises on the Inside in main architecture  Category

Once inside, you’ll notice the steel staircases that curve as they connect the loft-like floors.

A Box Like House is Full of Surprises on the Inside in main architecture  Category

The home is equal parts wood and white, balancing out the clean, playground-like interior.

A Box Like House is Full of Surprises on the Inside in main architecture  Category

A Box Like House is Full of Surprises on the Inside in main architecture  Category

Floor-to-ceiling bookcases add plenty of storage space for the open interior.

A Box Like House is Full of Surprises on the Inside in main architecture  Category

From the kitchen, you spot another curvy staircase.

A Box Like House is Full of Surprises on the Inside in main architecture  Category

Photo by Jun Igarashi Architects

A Box Like House is Full of Surprises on the Inside in main architecture  Category

A Box Like House is Full of Surprises on the Inside in main architecture  Category

A Box Like House is Full of Surprises on the Inside in main architecture  Category

A Box Like House is Full of Surprises on the Inside in main architecture  Category

A Box Like House is Full of Surprises on the Inside in main architecture  Category

What a cool place to play if you were a kid. While it doesn’t look the safest, it definitely looks super fun, doesn’t it?

A Box Like House is Full of Surprises on the Inside in main architecture  Category

A Box Like House is Full of Surprises on the Inside in main architecture  Category

A Box Like House is Full of Surprises on the Inside in main architecture  Category

Photos by Daici Ano, except where noted.