First Edition Base Set Heavy Booster Pack Blastoise Art (21.54 g) This First Edition Base Set Heavy Booster Pack is widely regarded as the grail of sealed Pokemon products. It would Neo Discovery Booster pack What is considered heavy for team up packs : r pokemoncards 2007 POKEMON LEGENDARY COLLECTION BOOSTER PACK ART SET SEALED *HEAVY* Pokemon Heavy Hitters Premium Collection, 140 Cards, 14 Booster Packs, Ages 6+ Walmart.com