To sign take turns, your dominant hand forms the letter 'L' with the thumb up and index finger pointed at a right angle, while the rest of the fingers remain curled. You start the motion of pointing the thumb close to your chest, and rotating your thumb toward the other party, then back to you, as if pointing out whose turn it is.
We use take turns when introducing babies to advanced social skills such as sharing. It is important that parents wait long enough to make certain that sharing does not trigger frustration.
Use the take turns flash card when you begin to introduce your baby to the idea of collective activities that require cooperation and participation, such as play and work.