Activate the egg-shaped device, and the ends (flaps) open up to reveal lights that actually work in sync with the music playing. It has two stereo speakers and 1GB of inbuilt flash memory for storing music. According to the Sony, the Rolly has a battery life of around five hours. It’s equipped with sensors to interpret directions, and volume can be controlled by turning the player clockwise or counterclockwise.
Specific motion programs designed for the Rolly can be sent to the device via Bluetooth from the PC. Various other programs for movement and choreography can also be downloaded. The device can also be used as an alarm clock. What's more, it's compatible with Sony’s ATRAC format and MP3s as well.
As of now the Rolly is available for purchase in Japan for approximately Rs 14,160 (40,000 Yen, or US$354). With any luck, since it’s already out in Asia, we can expect to see it in our stores soon.
how much does it cost and when is it coming out in the uk 
