To remind you that they shouldn't be put into your regular deck, they have a unique card back
One compartment is big enough to hold a deck of 100 sleeved cards, the second is able to cope with a deck of 60 cards and the third is a good space to hold tokens and dice

Previous version of the Family Pokemon Card Game set Pokemon Card Game Sword & Shield Family Pokemon Card Game Anytime, Anywhere ( Version 1 with Cinderace V and Pikachu V ) Price: 1210 yen "Cinderace V" deck (60 cards) 1x "Pikachu V" deck (60 cards) 1x 1x Sheet: Damage counter / Burn / Poison marker Half playmat 2x Pokemon coin 1x (Storage) deck box 2x Pokemon Card Game Sword & Shield Family Pokemon Card Game ( Version 2 with Cinderace V, Pikachu V and Tyranitar V ) Price: 2398 yen "Cinderace V" deck (60 cards) 1x "Pikachu V" deck (60 cards) 1x "Tyranitar V" deck (60 cards) 1x Pokemon coin x1 1x Sheet: Damage counters (100 Damage counter: 6x / 50 Damage counter: 12x / 10 Damage counter: 35x) / Poison / Burn Marker (1 each) (Storage) deck (rubber)band 3x Playmat 1x Battle guide books 2x Beginners guide 1x Battle table 1x sheet Damage counter case 1x (Storage) Deck box 1x

Stage 1 Pokmon cannot evolve into Stage 2 Pokmon on the same turn they evolve from a Basic Pokmon, but some Item cards - such as Rare Candy - can evolve a Basic Pokmon into a Stage 2 card without needing to play a Stage 1 Pokmon
#1: Obeka, Splitter of Seconds The original Obeka, Brute Chronologist is a fascinating, offbeat Commander that brings real power to the game by essentially cheating her way around specific costs