�Shake Me&#8221 Rattles feature motion activated sounds and music with an easy to grab handle, multiple textures, crinkly areas and colorful rings to shake and spin. Each Rattle has unique animal sounds and unique joyful musical pieces. Easily activated by baby to teach cause & effect. Yookidoo plastic ring included to attached almost anywhere. Onoff button for silent play. Requires 3 LR44 batteries, included. New 2015