When we were small, we had the UNO playing cards where there are two different types of wild cards. We thought that one of them is 'wild' and the other one is 'plim' (that's what it looks like when the card is upside-down).
A childhood belief about toys

others believed things like this
- When i was little, I used to send Jesus birthday cards on christmas and thought he would read them in heaven.Anon
- I used to believe that checks and credit cards allowed you to get anything you wanted with out paying for it. — Diamond
- I thought if 3 cards stopped at a 3-way stop sign then they had to stop forever until Christmas.Anon
- I thought a Debit card was actually called a Debt card.— Kilgore
- i thought if you dialed 666 you got upside down policemen.— rufus
- I thought that a travel visa was a special credit card which was used for travellingAnon