The 11-meter high atrium space is made with abundant use of aluminum produced in Toyama Prefecture for the ceiling and walls. The texture changes depending on weather. If it's rainy or cloudy it looks cool, while it's sunny it looks warm.

The ceiling and walls of the corridor that runs through the center of the building are made of cedar tree from the satoyama area of Himi City. It was designed so that it functions not only for exhibitions but also as a huge hang-out space. The angle of each lattice is adjusted so as to suit various exhibitions no matter whether they're western or Japanese. Beneath the wooden materials are included sound-absorbing material. Thanks to this structure, visitors can indulge themselves in viewing the art works in calmness, embraced by gentle smell and warmth of those trees.

Inside the building a giant polar bear woodcarving made from camphor tree while on the outdoor terrace are three bears made with bronze-cast from the first one. Each of them shows its own unique texture and impression because the different materials and colors are used.

Onomatopeia is the use of words that seem to sound like the object they are describing. In Japanese, there are many onomatope including fuwa-fuwa, guru-guru and hiso-hiso. The rooftop area of TAD showcases some installation works which is associated with such onomatope.

The atlier of TAD is an entry-free space which welcomes the people of all ages without reservations. It offers various workshops from crafts to paintings.