The largest dojo (martial arts training hall) in Tokyo Budo-kan, with a 1,972 square meter (34×58m) competition area. The competition area features a special wood-like cushioning floor, thanks to the use of oak laminate flooring. The dojo is used for a wide range of indoor sports and recreation, from martial arts like kendo and judo, to volleyball and badminton. Equipped with fixed seating for 1,728 spectators, the Dai-budojo(Large Dojo) is capable of hosting full-scale competitions. With enough space for eight regulation-size rings for judo and kendo, or three volleyball courts, it is also possible to use the dojo in units of one third.