Theater G-Rosso Bakuryu Sentai Boonboomger Show Series 3rd Edition This is a postcard set included with the "Accel Boonboom Boon! Deliver the Power of Music! Further Acceleration, Boonboom Power Rampage!!" Excite Seat and Premium Seat benefits. The price is for a set of 4. They can be purchased separately, but please note that it will be more expensive due to shipping costs. 1 card → 400 yen 2 cards → 700 yen 3 cards → 1000 yen Also, it has been opened once for photography.