These interactive cards make number learning fun! Answer the activities by touching the correctly numbered dot on the card and wait for the talking and teaching pen to respond with lights, sounds and phrases to indicate whether your answers are right or wrong! The cards can be used alone as traditional flash cards too! Set of 36 colourfully illustrated cards provides 50 double-sided early learning activities each plus answer key. Complete with talking pen and storage case. Age 3+. Requires 2x 'AA batteries. (not included)