The answer is Pokémon cards, of course!
The Pokémon TCG: Poke Ball Tin contains:
3 Pokémon TCG booster packsEach booster pack contains 10 cards and either 1 Basic Energy or 1 VSTAR marker. Booster packs vary by product. Cards vary by pack
Item Dimensions: 3.1 x 2.5 x 5.3 IN
Country Of Origin: Printed in the USA. Coin made in the USA. Tin made in China.
Materials: Paper / metal
Recommended Age: 6+ Years
NOTE: 1 Pokeball Selection is random. Specific item can be requested by message but not guaranteed.