Learn about endangered species with this activity packed booklet. Put your finger on the footprint on the electronic module to hear facts about endangered animals. Use your key to open the lid and access the 30 pages booklet. Use the magic pen to answer the questions/play the games in the booklet… in a few hours the ink will have disappeared. Then check the answer by revealing it with the electronic module! Set of stickers to customize the unit. Secret compartment under the booklet to store your own stuff away from prying eyes. Electronic module has a belt clip for easy take along. Ages 4 and Up. 2 AAA Batteries required. Batteries included.