TAMA's drums can be divided into three models, which can be divided into Tama swing star, Tama superstar and Tama star classic according to the grade. There are a lot of these three models, depending on what grade of drums you need. The junior emperor star (standard drum set) has 5 heads and is not customized. If you want 8-9 drums, you can only choose the latter two models. Both kinds of drums have customized series. If you want 8-9 TAMA superstar CUSOTM double drums, it's about 15000, TAMA star classic 30000-50000.