Shop › Mega Symphonia Booster Box Image 1 of 1 Mega Symphonia Booster Box $77.99 Each sealed Japanese Mega Brave Booster Box contains 30 booster packs containing 5 random cards each. Quantity: Purchase Added! Each sealed Japanese Mega Brave Booster Box contains 30 booster packs containing 5 random cards each. Mega Brave Booster Box Sale Price: $95.99 Original Price: $100.99 Add To Cart