How to Play Red Light Green Light 1-2-3

About Red Light Green Light 1-2-3, from BoardGameGeek:

A kids' card game that can be used with younger children to start them on the road to more card games. The classic schoolyard game is now a fast-action, quick-to-learn card game. Just follow the pattern: Red Light – Green Light – 1 – 2 – 3. Play as many cards on your turn as you can in that order. Can't play a card? Draw one from the deck and play passes to the next driver. Play all your cards first to dodge traffic and win the game! Consists of a 105 card deck, with 21 copies of each of the 5 cards. - description from the publisher's website