Sound Module Dog Ruff Ruff Device Insert for Make Your Own Stuffed Animals and Craft Projects Compact size is only 1" by 3/4" in A pre-recorded voice box to bring your bear to life. Place in paw or tummy, press and your new found animal friend comes to life! Simple to use. Just hold button down to listen to your sound. Quality speaker provides a clear playback A great way to interact with children of all ages.