British toy company Character Options released a series of Doctor Who figures called Time Squad, which are similar to the Star Wars Galactic Heroes toys made by Hasbro.  The released a set called the End of Time series (or sometimes Series 2) that consists of 6 figures.  Each Collect & Build figure package has a piece of The Master in it, and if you get all 6 you can put him together.  See the photos of the set, which includes the Tenth Doctor, an Ood, a Weeping Angel, a Sontaran, a Cyberman, and a Clockwork Man, as well as the completed figure of the Master, after the break.