First of all, you won't be able to withdraw any winnings that you make with your free play balance. This is because the free play balance isn't real money, it's just a way for the bookies to get you started.

To truly benefit from play, children must be given ample, unstructured play time, said Bergen. That means they should receive at least an hour each day in a safe environment to create their own enjoyment, their own rules, their own experiences,  she said.

Spanish 21 is similar to traditional Blackjack but with more options and payouts. One difference is that all numbered 10  cards are removed from the deck leaving 48 cards in each deck. Jacks, Queens and Kings count as 10. Aces count as 1 or 11 (whatever is to the Player's advantage).

A key difference between Blackjack and Spanish 21 is that all 10s are removed from the deck in Spanish 21. A Blackjack occurs when the first two cards that are dealt equal 21  a combination of a face card (Jack, Queen, or King) and an Ace (which can have a value of 1 or 11, depending on your hand).