Add these special cards to a classic UNO deck (sold separately, subject to availability) and the fun begins! Each of the 16 cards in the Stack Pacl acts like a Draw Card that players can stack to make other players draw more and more cards. Play a Stack 1, Stack 2, or the dreaded Wild Stack Number card and soon players will be passing out penalties like popcorn. Makes a great gift for UNO fans and card game lovers ages 7 years old and up. Colors and decorations may vary.
 
Add UNO Add-On Packs to a classic deck of UNO cards to shake up the game; note: Classic UNO card game required!
The Stack Pack includes 16 cards that builds fun with exciting twists!
A Stack 1 Card makes the next player draw 1 card and lose their turn, a Stack 2 makes the next player draw 2 cards and lose their turn.
Players may play a Stack card on another Stack card (or other Draw Card) if the color matches, increasing the number of cards the next player must draw.
A Wild Stack Number card makes the next player draw a random number of cards. Flip the top card of the Draw Pile to find out how many!
Each card has special graphic symbols to help identify the color of that card to allow players with ANY form of color blindness to easily play.
Add-On symbols in the card background let players easily swap out packs to find the mix they like.