Finding Pokmon booster boxes at GameStop Check your local 7 ELEVEN stores, we can confirm that each store has sealed Mega Evolution Booster Boxes that theyre selling per pack for $5.99! , You can try to ask to keep them sealed as thats how Crazy prices on Pokemon Booster boxes. I sold all of these pokemon booster boxes for $80 or less when I owned a pokemon card store from 2014 to 2022. $1,099.99 for Sun New in stock Pokemon Chaos Rising Booster Box $225.00 ETB $95.00 Booster Bundle $50.00