Each 2.5-in/6.35-cm colored cap is permanently connected and includes a clear snap cap so you can attach a picture symbol of your choice.
iTalk4 is switch accessible. Connect one switch to each message for direct message playback. Alternatively, use the toy/appliance outputs to turn your iTalk4 in a switch and add communication to your activity.
iTalk4 with Levels requires 4 AA batteries (not included).