$ 35 credit pocket - sized Raspberry Pi computer sold out within hours of launch . ( CNN ) -- This ' mini - PC will inspire children to learn about computer programming . Even cheaper versions of Raspberry Pi in stores soon , will retail at $ 25 .
$ 35 credit pocket - sized Raspberry Pi computer sold out within hours of launch . This ' mini - PC will inspire children to learn about computer programming . Even cheaper versions of Raspberry Pi in stores soon , will retail at $ 25 .