Hasbro keeps you company with its i-Pets
Even before opening Hype Geek and I had already cracked for i-Pets of Hasbro, these small animals electronic (i-Dog, Cat and i-i-Cy) which react to the music that you made disseminate through their built-in speaker.

And even if they are only gadgets, you can not deny the charm of these companions pocket! Price: 20 to $ 30

http://nexus404.com/Blog/2008/08/22/hasbros-range-of-i-pets-are-going-to-rock-your-socks-off/