From the Publisher: 

Turn your card collection into playable, fun, and winning Pokémon Trading Card Game decks! Inside this box, you’ll find a plethora of Trainer cards and Energy cards, plus a Deck Builder’s Guide to putting them all together to create a deck that showcases your best Pokémon! You’ll find everything you need to help you make the choices every deck builder faces: More big Pokémon? More strategic Trainer cards? How much Energy is too much? Steer a course for completely new decks, original combos, and all the fun of head-to-head competition with the Pokémon TCG: Trainer’s Toolkit!

Contents:
More than 50 useful cards to power up your decks, including dozens of Trainer cards and 2 copies of Crobat V
More than 100 Energy cards, including Special Energy
4 Pokémon TCG booster packs to expand your collection
65 card sleeves to protect your deck
A Deck Builder’s Guide
A complete Pokémon TCG rulebook
A set of 7 tournament-legal dice
2 condition markers
A code card for the Pokémon TCG Online