Alvin the Chipmunk Hula Hoop Singing Doll - Now you can get your very own animated Alvin Hula Hoop Doll. The Alvin Hula Hoop Doll is sure to excite both young and old with the way the Hula Hoop appears to magically spin around. Alvin comes complete with his famous outfit, with a removable hat and hula hoop. Just press the button and watch Alvin dance, twirl his hula hoop and sing his famous song. Requires three "AA" batteries, not included. Measures 8"L x 10"W x 12"H and comes in nice retail full colored windowed box. Manufacturer age recommendation 5+.