Get your Spiderman 3 iDog today, called the Spi-Dog. This portable Spi-Dog will respond to your music with electronic lights, movements and sounds. It has a built in speaker to play your music from your iPod or other music player. Just connects to any standard headphone jack with the included dual-plug cable. It is powered by two AA batteries and measures 5.25 x 5.25 x 5.31 inch. The Spi-Dog is available in red and the black one for $28.