If you like GoGo's Crazy Bones then you'll love Doctor Who Power Rollers. They've been out a while now, but in case you've not seen them yet, a Power Roller is a large ball-bearing, mounted in a silver flecked coloured plastic shell featuring one of sixty different Doctor Who images on top and a side sticker displaying the Doctor Who logo, roller number and the image name.
The ball-bearing allows the Power Rollers to be freely rolled along a flat surface in one of two games suggested on the packets cover. These are Game 1: 'Play your Roller Closest to the Target Wins', and Game 2 'Roll, Knock out your Opponents!'
If you like Doctor Who and you like GoGo's, you should visit my store to find out more.