DigiBirds - Penguin Einstein Dive into the tweet life with Einstein! The super-cute DigiPenguin that twists! Einstein sings 58 melodies and comes with a whistle ring that makes him sing and twist! DigiPenguins get even better! When theyre close they sing and dance together. Collect multiple DigiPenguins and create a harmonizing choir! DigiPenguins are made for girls 5+ and come with 3 LR44 batteries included. 1 DigiPenguin, 1 Whistle ring, 3 LR44 batteries, 1 Instruction guide